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javascript - window.open target _self v window.location.href?

I need to redirect the user using JavaScript. Which is the preferred method? window.open("webpage.htm", "_self") ... .href = "webpage.htm"; See Question&Answers more detail:os...

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r - select columns based on multiple strings with dplyr contains()

I want to select multiple columns based on their names with a regex expression. I am trying to do it with the ... and 32 rows What's wrong? See Question&Answers more detail:os...

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inheritance - Can I override a property in c#? How?

I have this Base class: abstract class Base { public int x { get { throw new NotImplementedException(); } } ... properties in c# like methods? See Question&Answers more detail:os...

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nio - Is Java 7 WatchService Slow for Anyone Else?

WatchService looks like a great technology but its been too slow to be useful on the OS X and Linux systems ... this in production with success? See Question&Answers more detail:os...

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javascript - Merge Array of Objects by Property using Lodash

I have two arrays of objects that represent email addresses that have a label and a value: var original = [ { ... do this e.g. using lodash? See Question&Answers more detail:os...

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php - How to bulk update mysql data with one query?

$query = mysql_query("UPDATE a SET fruit = '**apple**' WHERE id = '**1**' "); $query2 = mysql_query(" ... way to simplify it to one query? See Question&Answers more detail:os...

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linux - Pass a password to ssh in pure bash

I want to pass a password to ssh using a bash script (Yes, I know that there are ssh keys that I could ... then sending a string directly to it? See Question&Answers more detail:os...

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swift - How do I modify the background color of a List in SwiftUI?

I'm trying to recreate an UI I built with UIKit in SwiftUI but I'm running into some minor issues. I want the ... the area I'm looking for } } See Question&Answers more detail:os...

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c++ - Why can't std::ostream be moved?

Clearly, streams can't be copied. It should be possible to move streams. According to 27.9.1.11 [ofstream. ... std::ostream be moved itself? See Question&Answers more detail:os...

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

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ios - performSegueWithIdentifier very slow when segue is modal

I have a simple table view where I handle the select action on the table view. This action follows a segue. ... anyone have any ideas on this? See Question&Answers more detail:os...

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html - Is it possible to achieve a <fieldset>-like effect without using the <fieldset> tag?

I personally like the <fieldset> tag because of how it draws a box and puts the <legend> at the top of it, ... such as SVG or XHTML) are fine. See Question&Answers more detail:os...

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Android: How to get a modal dialog or similar modal behavior?

These days I'm working on simulating modal dialog in Android. I've googled a lot, there's much discussions ... really wait for result? Thanks. See Question&Answers more detail:os...

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python - numpy float: 10x slower than builtin in arithmetic operations?

I am getting really weird timings for the following code: import numpy as np s = 0 for i in range(10000000): ... it comes from. END OF EDITS See Question&Answers more detail:os...

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

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shell - Calling an executable program using awk

I have a program in C that I want to call by using awk in shell scripting. How can I do something like 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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python - zip file and avoid directory structure

I have a Python script that zips a file (new.txt): tofile = "/root/files/result/"+file targetzipfile = new ... like /root/files/results/new.txt See Question&Answers more detail:os...

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

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How to clear the Android Stack of activities?

I have an application with several Activities in Android and I want the user to be able to log-out ... read in another StackOverflow question. See Question&Answers more detail:os...

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preg match - PHP preg_match and preg_match_all functions

I would like to know what the preg_match and preg_match_all functions do and how to use them. See Question&Answers more detail:os...

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r - Set the size of ggsave exactly

R question. I got so confused by the width, height, dpi and unit. Why the following two size different? ... is easier for me to understand? See Question&Answers more detail:os...

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

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What's the difference between Spark ML and MLLIB packages

I noticed there are two LinearRegressionModel classes in SparkML, one in ML package (spark.ml) and another one ... to convert one into another? See Question&Answers more detail:os...

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Convert Java Map to Scala Map

I have a java map: java.util.Map<SomeObject, java.util.Collection<OtherObject>> and I would like to convert it ... also accept it as the answer. See Question&Answers more detail:os...

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

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reactjs - Automatic redirect after login with react-router

I wanted to build a Facebook login into my react/react-router/flux application. I have a listener registered ... reloading the page completely. See Question&Answers more detail:os...

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

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.net - Why are some object properties UnaryExpression and others MemberExpression?

Acting on the answer to my Select a model property using a lambda and not a string property name question ... also result in UnaryExpressions. See Question&Answers more detail:os...

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

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python - How to make global imports from a function?

I fear that this is a messy way to approach the problem but... let's say that I want to make some ... (test='bar') thirdmodule.myfunction() See Question&Answers more detail:os...

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

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floating point - Why does a float variable stop incrementing at 16777216 in C#?

float a = 0; while (true) { a++; if (a > 16777216) break; // Will never break... a stops at ... float a = 16777217; // a becomes 16777216 See Question&Answers more detail:os...

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

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css - What exactly flex-basis property sets?

Is there a difference between setting max-width or width to a flex item instead of the flex-basis? Is it the ... between 300px and 400px. Why? See Question&Answers more detail:os...

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

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How to use RegEx in Dart?

In a Flutter application, I need to check if a string matches a specific RegEx. However, the RegEx I ... hasMatch : false stringMatch : null See Question&Answers more detail:os...

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

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python pip - install from local dir

I have to download a git python repo and install since the pypi version is not updated. Normally I would do ... . --disable-pip-version-check See Question&Answers more detail:os...

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python - Importing a function from a class in another file?

I'm writing a Python program for fun but got stuck trying to import a function from a class in another file. ... = Comm_system() a_game.run() See Question&Answers more detail:os...

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

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