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.keyCode vs. .which
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@anne-van-rossum, event.wich == null && ... test for null or undefined only. your event.wich || ... test for falsy (undefined, null, false, 0, '', etc)
– aMarCruz
May 22 '15 at 11:54
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Changing the selected option of an HTML Select element
.... I used post-increment instead of pre-increment, and then I added another test which is slightly faster than your 3rd test.
– kzh
Nov 4 '13 at 14:03
1
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Capturing multiple line output into a Bash variable
...out, stderr are 0-2, so we can use &3 or higher in bash).
result=""
./test>/tmp/foo
while read line <&3; do
result="$result$line\n"
done 3</tmp/foo
echo -e $result
you can also use mktemp, but this is just a quick code example. Usage for mktemp looks like:
filenamevar=`mkte...
Assignment in an if statement
...be used again later in the same method, if that is a problem.
public void Test()
{
var animals = new Animal[] { new Dog(), new Duck() };
foreach (var animal in animals)
{
{ // <-- scopes the existence of critter to this block
Dog critter;
if (null !...
BackgroundWorker vs background Thread
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Only use CancelAsync (and test for CancellationPending if your thread will be polling on short intervals, if you want to have an exception raised instead, use a System.Threading.Thread.Abort() which raises an exception within the thread block itself, ...
How to mock the Request on Controller in ASP.Net MVC?
...ol isAjaxRequest)
{
var httpRequestBase = MockRepository.GenerateStub<HttpRequestBase>();
if (isAjaxRequest)
{
httpRequestBase.Stub(r => r["X-Requested-With"]).Return("XMLHttpRequest");
}
var httpContextBase = MockRepository.Genera...
Tactics for using PHP in a high-load site
...h write load, the cache is actually crippling. If you turned it on without testing, you'd never know.
And don't forget that you are never done scaling. A site that handles 10req/s will need changes to support 1000req/s. And if you're lucking enough to need to support 10,000req/s, your architecture ...
How can I add an empty directory to a Git repository?
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Doesn't work if you're writing a unit test that should test code on an empty directory...
– thebjorn
Dec 23 '15 at 10:22
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Preferred Java way to ping an HTTP URL for availability
...dress.getByName(hostname).isReachable();
This however doesn't explicitly test port 80. You risk to get false negatives due to a Firewall blocking other ports.
Do I have to somehow close the connection?
No, you don't explicitly need. It's handled and pooled under the hoods.
I suppose ...
C++ new int[0] — will it allocate memory?
A simple test app:
6 Answers
6
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