Recent questions tagged FOR

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I am using gcc's implementation of openmp to try to parallelize a program. Basically the assignment is to add omp pragmas ... (" "); } } } See Question&Answers more detail:os...

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

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610 views

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for loop - Making Combinations (Python)

In Python, is there a better way to get the set of combinations of n elements from a k-element set than nested ... be an easier way to do this. See Question&Answers more detail:os...

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

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757 views

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for loop without braces in java

I wonder why this two following codes give different results; for(i = 1, j = 0; i < 10; i++) ... of this; for() do_something; do_something_else; See Question&Answers more detail:os...

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

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700 views

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for loop - How can I reverse an asterisk triangle in python

Currently, I have a code that outputs an asterisk triangle like this: * * * * * * * * * * * * * * * Here is ... * * * * * * * * Any suggestions? See Question&Answers more detail:os...

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

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817 views

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for loop - Difference between 'for a[-1] in a' and 'for a in a' in Python?

In this post, the following code snippets could work. a = [0, 1, 2, 3] for a[-1] in a: print(a[-1]) Refer ... 2 3 >>> a 3 How to understand it? See Question&Answers more detail:os...

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

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761 views

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for loop - foreach keyword in java?

I know the meaning of foreach in programming and when to use it. Is there a foreach keyword in Java? I tried ... is only for and not foreach. See Question&Answers more detail:os...

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

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661 views

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for loop - python looping through input file

My question is related to file-input in Python, using open(). I have a text file mytext.txt with 3 lines. I am ... I can/must make use of it. See Question&Answers more detail:os...

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

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680 views

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for loop - How well is the `for of` JavaScript statement supported?

var nameArray = [ { name: 'john', surname: 'smith' }, { name: 'paul', surname: 'jones' }, { name: 'timi', ... is this as good as I hope it is? See Question&Answers more detail:os...

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

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575 views

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for loop over specific files in a directory using Bash

In a directory you have some various files - .txt, .sh and then plan files without a .foo modifier. If ... these plain text files without .txt? See Question&Answers more detail:os...

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

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646 views

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for loop - How to iterate a Vec<T> with the indexed position?

I need to iterate a Vec including the position for each iterated element. I'm sure this is already in the API but ... // do something here } } See Question&Answers more detail:os...

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

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508 views

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for loop - Concurrent access to maps with 'range' in Go

The "Go maps in action" entry in the Go blog states: Maps are not safe for concurrent use: it's not defined ... wrt the 'range' keyword here!) See Question&Answers more detail:os...

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

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760 views

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for loop - Iterate over JavaScript object with index

I am trying to loop over a JavaScript object in ES6. for (let [value, index] of object) { do something ... over an object with index? thanks See Question&Answers more detail:os...

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

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421 views

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for loop - Java "for" statement implementation prevents garbage collecting

UPD 21.11.2017: the bug is fixed in JDK, see comment from Vicente Romero Summary: If for statement is used for any ... heap, so use N = 5000) See Question&Answers more detail:os...

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

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793 views

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for loop - Looping through string values from a windows command line bat file

I am trying to create a batch script for my Windows machine that loops through a list of (string/decimal) ... variable in my echo statement. See Question&Answers more detail:os...

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

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663 views

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for in loop - For...in statement Objective-C

I am studying Objective-C and I came across this "for...in" statement. I searched for it but i still ... noob-friendly how this statement works? See Question&Answers more detail:os...

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

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582 views

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for loop - Delphi "for ... to" statement runs from end value to start value

I'm writing a simple app in Embarcadero Delphi 2010. A simple code with two cycles: procedure TForm1.Button1Click( ... ? Is it normal behaviour? See Question&Answers more detail:os...

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

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1.1k views

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for loop - PHP sleep delay

In PHP, I want to put a number of second delay on each iteration of the loop. for ($i=0; $i <= 10; $i++) ... for 3 seconds } How can I do this? See Question&Answers more detail:os...

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

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618 views

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for loop - TypeScript for ... of with index / key?

As described here TypeScript introduces a foreach loop: var someArray = [9, 2, 5]; for (var item of someArray) { ... key of someArray) { ... } See Question&Answers more detail:os...

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

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630 views

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for loop - Why is for-in slower than while in swift debugging mode?

Why is for-in slower than while in swift debugging mode ? If you think, yes It was ran in no optimization. ??Below ... i += 1 } print(sum) } See Question&Answers more detail:os...

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

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483 views

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for loop - Scala: strange behavior in `for` pattern matching for None case

Strange behavior in for cycle pattern matching: scala> val a = Seq(Some(1), None) a: Seq[Option[Int]] = ... expectable. Is this bug or feature? See Question&Answers more detail:os...

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

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641 views

1 answer

for loop - Calculate average in java

EDIT: I've written code for the average but I don't know how to make it so that it also uses ints from ... shape this code? Thanks in advance. See Question&Answers more detail:os...

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

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720 views

1 answer

for loop - how do people deal with iterating a Swift struct value-type property?

Here's an obvious situation that must arise all the time for people: struct Foundation { var columns : [Column] ... , like using inout somehow.) See Question&Answers more detail:os...

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

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769 views

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for loop - Python -- Iterate an iterator twice

Edit: There is a similar question here that deals with iterator resetting. The accepted answer below however addresses the actual ... 2-2 . . . See Question&Answers more detail:os...

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

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623 views

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for loop in python is 10x slower than matlab

I run python 2.7 and matlab R2010a on the same machine, doing nothing, and it gives me 10x different in ... Escaped time is 0.004200 seconds See Question&Answers more detail:os...

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

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954 views

1 answer

for loop - Use of Tilde (~) and period (.) in R

I'm going over looping with tidyverse and purrr using Hadley's R4DS book and am a little confused as to the ... does . compare to simple piping? See Question&Answers more detail:os...

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

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543 views

1 answer

for loop - Writing google Javascript similar to vlookup

ColumnA ColumnB jhinz 115 tom 116 The idea behind this code is someone enters a number (lets say 116), the ... working. Could someone help me? See Question&Answers more detail:os...

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

0 votes

539 views

1 answer

for loop - Python `for` syntax: block code vs single line generator expressions

I'm familiar with the for loop in a block-code context. eg: for c in "word": print c I just came across ... if my question's title is unclear. See Question&Answers more detail:os...

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

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637 views

1 answer

for loop - Batch script skipping blank entries in a .CSV when delim is ','

I have a .CSV that I am trying to sort through to create another file from the data, but when I run it through ... %%j %%k %%l %%m %%n ) pause See Question&Answers more detail:os...

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

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