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Mongoose subdocuments vs nested schema

... well (as long as you don't have that disabled), and presumably uses some more resources for tracking subdocs. Alternate declaration syntax New in v3 If you don't need access to the sub-document schema instance, you may also declare sub-docs by simply passing an object literal [...] ...
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Regular Expression to get a string between parentheses in Javascript

...match an opening parentheses ( : begin capturing group [^)]+: match one or more non ) characters ) : end capturing group \) : match closing parentheses Here is a visual explanation on RegExplained share | ...
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What is the rationale for all comparisons returning false for IEEE754 NaN values?

...oint arithmetic. Addendum: Many commenters have argued that it would be more useful to preserve reflexivity of equality and trichotomy on the grounds that adopting NaN != NaN doesn’t seem to preserve any familiar axiom. I confess to having some sympathy for this viewpoint, so I thought I would...
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Does it make sense to use “as” instead of a cast even if there is no null check? [closed]

...ould use a normal cast when you are sure of the type. Besides generating a more sensible exception, it also fails fast. If you're wrong about your assumption about the type, your program will fail immediately and you'll be able to see the cause of failure immediately rather than waiting for a NullRe...
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ERROR ITMS-9000: “Redundant Binary Upload. There already exists a binary upload with build version '

... More than one binary may be uploaded to App Store Connect for the same version, if the the Build number is increasing for each build uploaded to iTunesConnect. The build number just has to be unique (and higher) for each bina...
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Efficient way to apply multiple filters to pandas DataFrame or Series

... Pandas (and numpy) allow for boolean indexing, which will be much more efficient: In [11]: df.loc[df['col1'] >= 1, 'col1'] Out[11]: 1 1 2 2 Name: col1 In [12]: df[df['col1'] >= 1] Out[12]: col1 col2 1 1 11 2 2 12 In [13]: df[(df['col1'] >= 1) & (df[...
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What is the difference between RegExp’s exec() function and String’s match() function?

...'/a/b/c/d')) { // match is now the next match, in array form. } // No more matches. String.match does this for you and discards the captured groups. share | improve this answer | ...
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Is there a way to simulate the C++ 'friend' concept in Java?

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iPhone: How to switch tabs with an animation?

...s into account when deciding whether to use these techniques. There may be more modern approaches. Oh, and if you find one. Please add a response so everyone can see. Thanks. Some time later ... After much research I came up with two working solutions. Both of these worked and did the animation b...
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Is there a way that I can check if a data attribute exists?

... conditional: if ( $("#dataTable").is("[data-timer]") ) { ... }. It's also more useful if you already have a reference to the table in another jQuery object. – Noyo Dec 10 '13 at 11:01 ...