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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...
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...
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 ...
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...
Regular expression to match a dot
Was wondering what the best way is to match "test.this" from "blah blah blah test.this@gmail.com blah blah" is? Using Python.
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What does “to stub” mean in programming?
...sting Dependency (or collaborator)
in the system. By using a stub, you can test your code without
dealing with the dependency directly.
External Dependency - Existing Dependency:
It is an object in your system that your code
under test interacts with and over which you have no control. (Common
exam...
Check if a class has a member function of a given signature
... SFINAE to detect function presence at compile-time. Example from my code (tests if class has member function size_t used_memory() const).
template<typename T>
struct HasUsedMemoryMethod
{
template<typename U, size_t (U::*)() const> struct SFINAE {};
template<typename U> s...
How do I load an HTML page in a using JavaScript?
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I saw this and thought it looked quite nice so I ran some tests on it.
It may seem like a clean approach, but in terms of performance it is lagging by 50% compared by the time it took to load a page with jQuery load function or using the vanilla javascript approach of XMLHttpReques...