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What does it mean that Javascript is a prototype based language?
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community wiki
13 revs, 6 users 78%keparo
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How do I programmatically determine if there are uncommitted changes?
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The "plumbing vs. porcelain for scripting" principle is a lesson that Jakub Narębski repeatedly mentioned to me: " How to list all the log for current project in git ? ", " git: changelog day by day ", ...
– VonC
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CSS styling in Django forms
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Best solution by far.
– Mods Vs Rockers
Mar 2 '17 at 19:14
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Brilliant, t...
In Python, what happens when you import inside of a function? [duplicate]
...ting a module for the first time is expensive. Try running an empty script vs one containing just import string,itertools,fractions,heapq,re,array,bisect,collections,math,os. The first takes an average of 180 ms, and the second 230 ms. So it's not microseconds for starters. It's tens of milliseconds...
Difference between Property and Field in C# 3.0+
...reated as different MemberTypes so they are located differently (GetFields vs GetProperties for example)
The JIT Compiler may treat property access very differently compared to field access. It may however compile down to identical native code but the scope for difference is there.
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“The remote certificate is invalid according to the validation procedure.” using Gmail SMTP server
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Yeah, this is what I call "basic" (vs "none" or "ssl").......those email settings are tricky sometimes.
– granadaCoder
Aug 14 '15 at 14:49
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Is it possible to insert multiple rows at a time in an SQLite database?
...T;
If efficiency is your goal, you should try this first.
a note on UNION vs UNION ALL
As several people commented, if you use UNION ALL (as shown above), all rows will be inserted, so in this case, you'd get four rows of data1, data2. If you omit the ALL, then duplicate rows will be eliminated (a...
Use of class definitions inside a method in Java
...he only case when you would like to have a full blown function inner class vs anonymous class ( a.k.a. Java closure ) is when the following conditions are met
you need to supply an interface or abstract class implementation
you want to use some final parameters defined in calling function
you need...
Why can Java Collections not directly store Primitives types?
...x level solution that still suffers from the performance hit of autoboxing vs. no boxing at all. Java's implementation has shown poor performance with large data structures.
– codenheim
Jan 5 '11 at 17:38
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What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?
...</span>
It validates, and in real XHTML it works perfectly (see: 1 vs 2). If you can't believe your eyes (or don't know how to set MIME types), open your page via XHTML proxy.
Another way to check is view source in Firefox. It will highlight slashes in red when they're invalid.
In HTML5/XH...