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Why won't my PHP app send a 404 error?
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Your code is technically correct. If you looked at the headers of that blank page, you'd see a 404 header, and other computers/programs would be able to correctly identify the response as file not found.
Of course, your users are still SOL. N...
How can I output a UTF-8 CSV in PHP that Excel will read properly?
...l for Mac does not currently support UTF-8
Update, 2017: This is true of all versions of Microsoft Excel for Mac before Office 2016. Newer versions (from Office 365) do now support UTF-8.
In order to output UTF-8 content that Excel both on Windows and OS X will be able to successfully read, you w...
Changing password with Oracle SQL Developer
... answered Feb 4 '13 at 22:21
NiallNiall
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How to get all subsets of a set? (powerset)
...owerset([4, 5, 6])))
Using yield means that you do not need to calculate all results in a single piece of memory. Precalculating the masks outside the main loop is assumed to be a worthwhile optimization.
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How to get the current directory in a C program?
...Why don't you use pre_defined macros for detecting OS like #if defined(_WIN32) || defined(_WIN64) || defined(WINDOWS)
– HaseeB Mir
Nov 1 '18 at 15:02
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Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...us side, it is one undocumented, an unsupported, "throw the code over the wall and do an I|O presentation on it" library.
EDIT - Volley is now officially supported by Google. Kindly refer Google Developer Guide
From what I've read, seems like OkHTTP is the most robust of the 3
Retrofit uses O...
How to call a Parent Class's method from Child Class in Python?
...P was asking how to do it without explicitly naming the superclass at the call site (Bar, in this case).
– Adam Rosenfield
Apr 30 '09 at 2:13
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What's the canonical way to check for type in Python?
...ation.
One more note: in this case, if you're using Python 2, you may actually want to use:
if isinstance(o, basestring):
because this will also catch Unicode strings (unicode is not a subclass of str; both str and unicode are subclasses of basestring). Note that basestring no longer exists in P...
How to benchmark efficiency of PHP script
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If you actually want to benchmark real world code, use tools like Xdebug and XHProf.
Xdebug is great for when you're working in dev/staging, and XHProf is a great tool for production and it's safe to run it there (as long as you read t...
How to un-submodule a Git submodule?
What are the best practices for un-submoduling a Git submodule, bringing all the code back into the core repository?
12 Ans...