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Efficiency of premature return in a function
This is a situation I encounter frequently as an inexperienced programmer and am wondering about particularly for an ambitious, speed-intensive project of mine I'm trying to optimize. For the major C-like languages (C, objC, C++, Java, C#, etc) and their usual compilers, will these two functions ru...
Difference between java.exe and javaw.exe
...indows, for example, always uses java.exe even if my Java Control Panel is set to Hide the console window or even Do not start a console window.
– Ti Strga
Feb 6 '13 at 17:50
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Resolve promises one after another (i.e. in sequence)?
Consider the following code that reads an array of files in a serial/sequential manner. readFiles returns a promise, which is resolved only once all files have been read in sequence.
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How do I replace a character at a particular index in JavaScript?
...fied position:
function rep() {
var str = 'Hello World';
str = setCharAt(str,4,'a');
alert(str);
}
function setCharAt(str,index,chr) {
if(index > str.length-1) return str;
return str.substring(0,index) + chr + str.substring(index+1);
}
<button onclick="rep();">clic...
When to favor ng-if vs. ng-show/ng-hide?
I understand that ng-show and ng-hide affect the class set on an element and that ng-if controls whether an element is rendered as part of the DOM.
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Visual Studio immediate window command for Clear All
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
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else {
createEditor();
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What's the hardest or most misunderstood aspect of LINQ? [closed]
Background: Over the next month, I'll be giving three talks about or at least including LINQ in the context of C# . I'd like to know which topics are worth giving a fair amount of attention to, based on what people may find hard to understand, or what they may have a mistaken impression of. I won...
App Inventor 2 中文网原创内容 · App Inventor 2 中文网
... 908: The permission RECORD_AUDIO has been denied. Please enable it in the Settings app.
【已解决】App Inventor 2 手机AI伴侣进行测试时，为啥进度条卡在10%就一直不动？
【已解决】Bad arguments to +：The operation + cannot accept the arguments:, [””], [81]
【...
Convert generator object to list for debugging [duplicate]
... yield 1
yield 2
yield 3
yield 4
yield 5
import ipdb
ipdb.set_trace()
g1 = gen()
text = "aha" + "bebe"
mylst = range(10, 20)
which when run:
$ python code.py
> /home/javl/sandbox/so/debug/code.py(10)<module>()
9
---> 10 g1 = gen()
11
ipdb> n
> ...
Easy way to print Perl array? (with a little formatting)
Is there an easy way to print out a Perl array with commas in between each element?
11 Answers
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