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What is the X-REQUEST-ID http header?
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When you're operating a webservice that is accessed by clients, it might be difficult to correlate requests (that a client can see) with server logs (that the server can see).
The idea of the X-Request-ID is that a client can create some random ID and pass it to the server. The server then ...
Non-CRUD operations in a RESTful service
...as a business entity or a resource in RESTful dictionary. That being said, making a purchase is actually creating a new resource. So:
POST /api/purchase
will place a new order. The details (user, car, etc.) should be referenced by id (or URI) inside the contents sent to this address.
It doesn't ...
CSS z-index paradox flower
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Here's my attempt: http://jsfiddle.net/Kx2k5/1/
(successfully tested on Fx27, Ch33, IE9, Sf5.1.10 and Op19)
CSS
.item {
/* include borders on width and height */
-webkit-box-sizing : border-box;
-moz-box-sizing : b...
Convert date to datetime in Python
Is there a built-in method for converting a date to a datetime in Python, for example getting the datetime for the midnight of the given date? The opposite conversion is easy: datetime has a .date() method.
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Parallel.ForEach vs Task.Factory.StartNew
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The first is a much better option.
Parallel.ForEach, internally, uses a Partitioner<T> to distribute your collection into work items. It will not do one task per item, but rather batch this to lower the overhead involved.
The secon...
What are the differences between .gitignore and .gitkeep?
...at are the differences between .gitignore and .gitkeep ? Are they the same thing with a different name, or do they both serve a different function?
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How to use the same C++ code for Android and iOS?
...it, in this four years a lot of things has changed, so I decided to update my answer to fit better our current reality. The answer idea does not change; the implementation has changed a little. My English also has changed, it has improved a lot, so the answer is more understandable to everyone now.
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Python regular expressions return true/false
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Match objects are always true, and None is returned if there is no match. Just test for trueness.
if re.match(...):
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How do I squash two non-consecutive commits?
I'm a bit new to the whole rebasing feature within git. Let's say that I made the following commits:
5 Answers
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How to slice an array in Bash
Looking the "Array" section in the bash(1) man page, I didn't find a way to slice an array.
4 Answers
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