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Recent questions tagged function

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function - Is returning a whole array from a Perl subroutine inefficient?

I often have a subroutine in Perl that fills an array with some information. Since I'm also used to hacking ... Perl optimize that away anyway? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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611 views

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function - MsgBox "" vs MsgBox() in VBScript

I'm trying to write a VBScript and I'm using functions such as Randomize, and MsgBox. I'm curious as ... syntax issues in using these functions. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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813 views

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function - Local variable referenced before assignment in Python

Truel="" count = 0 finle_touch=False #true after it find the first 3 upperletter # check if there is 1 ... assignment I don't understand why. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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558 views

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function - Why does python `any` return a bool instead of the value?

and and or return the last element they evaluated, but why doesn't Python's built-in function any? I mean it's ... ://www.python.org/~guido/) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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442 views

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function - Assigning a value to single underscore _ in Python/IPython interpreter

I created this function in Python 2.7 with ipython: def _(v): return v later if I call _(somevalue), I ... ? What's wrong with this function? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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782 views

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function - Rails - controller action name to string

I have a Rails question. How do I get a controller action's name inside the controller action? For example, ... is a way to get this_def_name? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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591 views

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function - How and why does 'a'['toUpperCase']() in JavaScript work?

JavaScript keeps surprising me and this is another instance. I just came across some code which I did not ... help me to understand this. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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526 views

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function - JavaScript switch strange behavior

I have following code snippets. var caseObj = function () { } switch (typeof caseObj) { case "function": ... case.Why this strange behavior? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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490 views

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function - Mode in R by groups

I need to calculate the mode of an identity number for each group of ages. Let's suposse the following table: ... what the problem is. Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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497 views

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function - Returning a pointer on stack

In C when I return a pointer of a stack-created variable from a function, the memory discards after the function is ... := "a" return &s } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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453 views

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function - MatLab - Segmentation to separate touching objects in an image

I'm using the function regionprops to detect the number of trees on a image taked by drone. First I ... is the Gradient Magnitude image: See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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571 views

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function - PowerShell changes return object's type

I am using PowerShell v3 and the Windows PowerShell ISE. I have the following function that works fine: ... suggestions are appreciated. Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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632 views

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function - nth percentile calculations in postgresql

I've been surprisingly unable to find an nth percentile function for postgresql. I am using this via mondrian olap ... would seem to cause that! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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547 views

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function - Redeclare JavaScript Variable

In the following code: var greeting = "hi"; function changeGreeting() { if (greeting == "hi") { var greeting ... code, but why does this happen? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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476 views

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function - How are python's unpacking operators * and ** used?

The unpacking/splat operators * and ** differ widely in their applicability across python versions (2.7, 3.x < ... aren't detailed with this. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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678 views

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function - R-project filepath from concatenation

I'm working through an R tutorial. I've been working on a function and one of the parts of the function ... then load data from that directory. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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519 views

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function - Best practice for returning multiple values in Java?

Today I've added a extra security check behind my login forms, to slow down brute force attacks. I've got multiple ... Or am I just lazy? :) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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505 views

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function - Is there such a thing as a catch-all key for a javascript object?

Considering the following javascript example: var myobj = { func1: function() { alert(name in this) }, ... the myobj.functionCall() format? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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831 views

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function - Python functools partial efficiency

I have been working with Python and I set up the following code situation: import timeit setting = """ ... predefined, like with function i? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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673 views

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function - Python: Assign print output to a variable

I would like to know how to assign the output of the print function (or any function) to a variable. To ... print tag.getArtist to a variable? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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697 views

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function - R: Text progress bar in for loop

I have some sample code which contains a for loop and creates some plots like this (my actual data creates several ... bar into the for loop? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

564 views

1 answer

function - Lat/Lon + Distance + Heading --> Lat/Lon

So: I have the following function, adapted from a formula found online, which takes two lat/lon coordinates ... much appreciated! Thanks, -Dan See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

475 views

1 answer

function - Python convert decimal to hex

I have a function here that converts decimal to hex but it prints it in reverse order. How would I fix it? def ... "), ChangeHex( n / 16 ) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

711 views

1 answer

function - javascript click event handler fires without clicking

Why does this function get fired without having clicked on the specified button? I had a look at a few similar ... hidden element #"+data); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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734 views

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function - Matlab ode45. How to change a parameter inside it while calling it?

I'm new with Matlab. I hope you can help me. I have to solve a system of ODEs using ODE45 function. Here is ... on ... end Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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528 views

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function - How to properly use system() to execute a command in C++?

I am new to C++ programming under Windows. I am trying to execute a command say cuobjdump in C++ code using ... an error as if I mistyped it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

757 views

1 answer

function - Why can't 'kotlin.Result' be used as a return type?

I've created a method, and the return is Result<R> in a class of MyClass<R>, but the error message is: 'kotlin. ... (1) val m = MyClass(s) } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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570 views

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function - what is the difference between return and break in python?

what is the difference between return and break in python? Please explain what they exactly do in loops and functions? thank you See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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