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When is it acceptable to call GC.Collect?
...ant set of objects - particularly those you suspect to be in generations 1 and 2 - are now eligible for garbage collection, and that now would be an appropriate time to collect in terms of the small performance hit.
A good example of this is if you've just closed a large form. You know that all the...
TypeScript: problems with type system
I'm just testing typescript in VisualStudio 2012 and have a problem with its type system. My html site has a canvas tag with the id "mycanvas". I'm trying to draw a rectangle on this canvas. Here's the code
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PHP: How to use array_filter() to filter array keys?
...in strings.
You can also use ARRAY_FILTER_USE_BOTH to have both the value and the key passed to your filter function. Here's a contrived example based upon the first, but note that I'd not recommend encoding filtering rules using $allowed this way:
$my_array = ['foo' => 1, 'bar' => 'baz', 'h...
Comparing two strings, ignoring case in C# [duplicate]
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The first one is the correct one, and IMHO the more efficient one, since the second 'solution' instantiates a new string instance.
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Remove ':hover' CSS behavior from element
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I would use two classes. Keep your test class and add a second class called testhover which you only add to those you want to hover - alongside the test class. This isn't directly what you asked but without more context it feels like the best solution and is possibly the...
Iterate through a C++ Vector using a 'for' loop
I am new to the C++ language. I have been starting to use vectors, and have noticed that in all of the code I see to iterate though a vector via indices, the first parameter of the for loop is always something based on the vector. In Java I might do something like this with an ArrayList:
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Escaping regex string
... as a regex pattern for a search over some text. It works, but how I can handle cases where user puts characters that have meaning in regex?
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Call a global variable inside module
...p;A format though as I am suggesting they do add specific type information and the answer shows how and where they would put it.
– Fenton
Nov 7 '12 at 13:53
14
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Upload file to FTP using C#
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The existing answers are valid, but why re-invent the wheel and bother with lower level WebRequest types while WebClient already implements FTP uploading neatly:
using (var client = new WebClient())
{
client.Credentials = new NetworkCredential(ftpUsername, ftpPassword);
clien...
C++ where to initialize static const
...// No definition for i. (*)
const int foo::j = 4;
(*) According to the standards you must define i outside of the class definition (like j is) if it is used in code other than just integral constant expressions. See David's comment below for details.
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