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How to check if a file is a valid image file?
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On Linux, you could use python-magic (http://pypi.python.org/pypi/python-magic/0.1) which uses libmagic to identify file formats.
AFAIK, libmagic looks into the file and tries to tell you more about it than just the format, like bitmap dimensions, format version...
What can you do in MSIL that you cannot do in C# or VB.NET? [closed]
All code written in .NET languages compiles to MSIL, but are there specific tasks / operations that you can do only using MSIL directly?
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Catching multiple exception types in one catch block
....exceptions.php#example-287
RFC: https://wiki.php.net/rfc/multiple-catch
Commit: https://github.com/php/php-src/commit/0aed2cc2a440e7be17552cc669d71fdd24d1204a
For PHP before 7.1:
Despite what these other answers say, you can catch AError and BError in the same block (it is somewhat easier if ...
Finding Variable Type in JavaScript
...f a variable. Your answer shows how to find the type of a value. Those are completely different things.
– Jörg W Mittag
Aug 18 at 12:22
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Why Would I Ever Need to Use C# Nested Classes [duplicate]
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A pattern that I particularly like is to combine nested classes with the factory pattern:
public abstract class BankAccount
{
private BankAccount() {} // prevent third-party subclassing.
private sealed class SavingsAccount : BankAccount { ... }
private sealed...
How can I visualize per-character differences in a unified diff file?
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@Hi-Angel You could open Emacs and type M-! to run the command and capture the output in a buffer.
– legoscia
Oct 19 '18 at 11:31
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How do I output an ISO 8601 formatted string in JavaScript?
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Scala: write string to file in one statement
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Per the comment above, while this is a one liner, it is unsafe. If you want more safety while having more options around location and/or buffering the input, see the answer I just posted on a similar thread: stackoverflow.com/a/34277...
How can we generate getters and setters in Visual Studio?
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See msdn.microsoft.com/en-us/library/z41h7fat.aspx for more useful code snippets in Visual C#
– Titus
Jun 22 '15 at 10:04
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“:” (colon) in C struct - what does it mean? [duplicate]
...signing values - in my specific situation pointers to functions.
Source: http://www.tldp.org/LDP/lkmpg/2.4/html/c577.htm
Below is a sample and an excerpt to explain.
"There is a gcc extension that makes assigning to this structure more convenient. You'll see it in modern drivers, and may catch y...