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How can I add a custom HTTP header to ajax request with js or jQuery?
Does anyone know how to add or create a custom HTTP header using JavaScript or jQuery?
9 Answers
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How do I create a namespace package in Python?
... pkgutil.extend_path() solution over the pkg_resources.declare_namespace() one, because it's future-proof and already compatible with implicit namespace packages.
Python 3.3 introduces implicit namespace packages, see PEP 420.
This means there are now three types of object that can be created by...
Variable is accessed within inner class. Needs to be declared final
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Here's a funny answer.
You can declare a final one-element array and change the elements of the array all you want apparently. I'm sure it breaks the very reason why this compiler rule was implemented in the first place but it's handy when you're in a time-bind as I was ...
How would I run an async Task method synchronously?
...ynchronizationContext : SynchronizationContext
{
private bool done;
public Exception InnerException { get; set; }
readonly AutoResetEvent workItemsWaiting = new AutoResetEvent(false);
readonly Queue<Tuple<SendOrPostCallback, object>> items =
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Where is the IIS Express configuration / metabase file found?
...here:
My Documents > IIS Express > config
usually, but not always, one of these paths will work
%userprofile%\documents\iisexpress\config\applicationhost.config
%userprofile%\my documents\iisexpress\config\applicationhost.config
Update for VS2019
If you're using Visual Studio 2019+ chec...
PL/SQL, how to escape single quote in a string?
...haracter. That is if you put two single quote characters Oracle will print one. The first >one acts like an escape character.
This is the simplest way to print single quotation marks in Oracle. But it will get >complex when you have to print a set of quotation marks instead of just one. In thi...
How to implement the activity stream in a social network
... last X items
Redis is fast and offers a way to pipeline commands across one connection - so pushing an activity out to 1000 friends takes milliseconds.
For a more detailed explanation of what I am talking about, see Redis' Twitter example: http://redis.io/topics/twitter-clone
Update February 20...
Select statement to find duplicates on certain fields
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You mention "the first one", so I assume that you have some kind of ordering on your data. Let's assume that your data is ordered by some field ID.
This SQL should get you the duplicate entries except for the first one. It basically selects all ro...
What exactly does git's “rebase --preserve-merges” do (and why?)
...ase, git with --preserve-merges first identifies a list of commits made in one part of the commit graph, and then replays those commits on top of another part. The differences with --preserve-merges concern which commits are selected for replay and how that replaying works for merge commits.
To be ...
Count the items from a IEnumerable without iterating?
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The mentioned extension is available since .Net 3.5 and documented in MSDN.
– Christian
Jul 4 '13 at 10:31
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