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What's better at freeing memory with PHP: unset() or $var = null
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@alex, you can sort of do that with unset. For example "$test = 4; (unset) $test;" - strange but true, and it returns the value of $test before unsetting it. Regardless, the PHP manual does confirm that it is a language construct.
– thomasrutter
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C# pattern to prevent an event handler hooked twice [duplicate]
...sender).Document.Click -= new System.Windows.Forms.HtmlElementEventHandler(testii);
((System.Windows.Forms.WebBrowser)sender).Document.Click += new System.Windows.Forms.HtmlElementEventHandler(testii);
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Array.Copy vs Buffer.BlockCopy
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In my own testing, Array.Copy() is very similar in performance to Buffer.BlockCopy(). Buffer.BlockCopy is consistently < 10% faster for me when dealing with 640 element byte arrays (which is the sort I'm most interested in). But you...
What does %~d0 mean in a Windows batch file?
... %0 will be surrounded by quotes. For example, if you save this file as c:\test.bat:
@echo %0
@pause
Double-clicking it will open a new command prompt with output:
"C:\test.bat"
But if you first open a command prompt and call it directly from that command prompt, %0 will refer to whatever you'...
How can I get device ID for Admob
...emulator then there is no ID. just use the AdManager method and set it to TEST_EMULATOR like the logcat says. If you run on an actual device with usb debugging and watch the logcat, the ID will appear in there.
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What is the instanceof operator in JavaScript?
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instanceof
The Left Hand Side (LHS) operand is the actual object being tested to the Right Hand Side (RHS) operand which is the actual constructor of a class. The basic definition is:
Checks the current object and returns true if the object
is of the specified object type.
Here are some good ...
How to delete a file after checking whether it exists
How can I delete a file in C# e.g. C:\test.txt , although apply the same kind of method like in batch files e.g.
10 Answer...
How do I mock a service that returns promise in AngularJS Jasmine unit test?
...t I usually do it with the spyOn function. Something like this:
describe('Testing remote call returning promise', function() {
var myService;
beforeEach(module('app.myService'));
beforeEach(inject( function(_myService_, myOtherService, $q){
myService = _myService_;
spyOn(myOtherServ...
Which characters need to be escaped when using Bash?
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@dalelane: Can't test here. Please edit when you have a version that works on both.
– Jo So
Jun 22 '17 at 14:34
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What's the better (cleaner) way to ignore output in PowerShell? [closed]
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I just did some tests of the four options that I know about.
Measure-Command {$(1..1000) | Out-Null}
TotalMilliseconds : 76.211
Measure-Command {[Void]$(1..1000)}
TotalMilliseconds : 0.217
Measure-Command {$(1..1000) > $null}
TotalM...