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Check if property has attribute
...(like me), then here is how you can do it :)
public class Foo
{
public string A {get;set;}
[Special]
public string B {get;set;}
}
var type = typeof(Foo);
var specialProperties = type.GetRuntimeProperties()
.Where(pi => pi.PropertyType == typeof (string)
&& pi.G...
How to create json by JavaScript for loop?
...l's code but swap out status.options[i].text for status.id.
If you want a string that contains a JSON representation of the selected object, use this instead:
var jsonStr = "";
var status = document.getElementsByName("status")[0];
for (i = 0, i < status.options.length, ++i) {
if (opt...
Faster s3 bucket duplication
...
As this is about Google's first hit on this subject, adding extra information.
'Cyno' made a newer version of s3cmd-modification, which now supports parallel bucket-to-bucket syncing. Exactly what I was waiting for as well.
Pull request is at https://github.com/pcorliss/s3cmd-modifi...
Having the output of a console application in Visual Studio instead of the console
...lass outputs just to the debug window by default. You only need to attach extra listeners (and there are several already written you can use) if you want to also see the output elsewhere.
– Joel Coehoorn
Mar 30 '10 at 3:29
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Check if a given key already exists in a dictionary
...
this also avoids an extra allocation. (important for making tight loops a bit faster)
– nurettin
Dec 9 '18 at 9:19
add a...
What is a 'thunk'?
...re's function. The thunk here is effectively supplying one or more hidden extra arguments to the function that are not provided by the call site.
share
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Check for null in foreach loop
...s; everything else is going to involve much more work (tests, assignments, extra method calls, unnecessary GetEnumerator(), MoveNext(), Dispose() on the iterator, etc).
An if test is simple, obvious, and efficient.
share
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Git pre-push hooks
...th pre-commit hooks. Apart from protecting a branch, they can also provide extra security combined with pre-commit hooks.
And for an example on how to use (taken and adopted and enhanced from this nice entry)
Simple example to login to vagrant, run tests and then push
#!/bin/bash
# Run the follo...
Bundle ID Suffix? What is it?
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The reason for this is explained in the Developer Portal:
The App ID string contains two parts separated by a period (.) — an App ID Prefix (your Team ID by default, e.g. ABCDE12345), and an App ID Suffix (a Bundle ID search string, e.g. com.mycompany.appname). [emphasis added]
So in this ...
GCC dump preprocessor defines
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Late answer - I found the other answers useful - and wanted to add a bit extra.
How do I dump preprocessor macros coming from a particular header file?
echo "#include <sys/socket.h>" | gcc -E -dM -
or (thanks to @mymedia for the suggestion):
gcc -E -dM -include sys/socket.h - < /de...