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MongoDB relationships: embed or reference?

...n a single document as you can. Because MongoDB documents have structure, and because you can efficiently query within that structure (this means that you can take the part of the document that you need, so document size shouldn't worry you much) there is no immediate need to normalize data like yo...
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Running a Python script from PHP

I'm trying to run a Python script from PHP using the following command: 9 Answers 9 ...
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Autolayout - intrinsic size of UIButton does not include title insets

...on width is derived from the title width plus the icon width plus the left and right content edge insets. If a button has both an image and text, they’re centered as a group, with no padding between. If you add a left content inset, it’s calculated relative to the text, not the text + icon. If y...
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What's the difference between array_merge and array + array?

...put arrays as empty arrays. What do you guys say? – Sandeepan Nath Jul 13 '12 at 6:58 6 ...
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Split a string at uppercase letters

...d: >>> import re >>> re.findall('[A-Z][^A-Z]*', 'TheLongAndWindingRoad') ['The', 'Long', 'And', 'Winding', 'Road'] >>> re.findall('[A-Z][^A-Z]*', 'ABC') ['A', 'B', 'C'] share | ...
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How do I remove a submodule?

...le (no trailing slash) # or, if you want to leave it in your working tree and have done step 0 3. git rm --cached a/submodule 3bis mv a/submodule_tmp a/submodule Explanation rm -rf: This is mentioned in Daniel Schroeder's answer, and summarized by Eonil in the comments: This leaves .git/mo...
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Pros and Cons of Interface constants [closed]

... Well, I think that it boils down to the difference between good and good enough. While in most cases you can avoid the use of constants by implementing other patterns (strategy or perhaps flyweight), there is something to be said for not needing a half dozen other classes to represent ...
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Can I call memcpy() and memmove() with “number of bytes” set to zero?

... From the C99 standard (7.21.1/2): Where an argument declared as size_t n specifies the length of the array for a function, n can have the value zero on a call to that function. Unless explicitly stated otherwise in the description o...
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What is better: @SuppressLint or @TargetApi?

I have issues in my app regarding StrictMode and added the code snippet that basically disables the StrictModeHelper . However, Lint complains about setThreadPolicy() now and proposes to either add ...
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iTextSharp - Sending in-memory pdf in an email attachment

...what I am doing wrong in my code. I run the code above from a ASP.Net page and get "Cannot Access a Closed Stream". 5 Answ...