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What is scaffolding? Is it a term for a particular platform?
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Scaffolding generally refers to a quickly set up skeleton for an app. It's not rails-only since other platforms have it as well. It's also not generally meant to be a "final" system; merely the first, smallest way to do it.
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Discard all and get clean copy of latest revision?
... purge as well. You just have to turn the extension on in the workbench's settings (or edit mercurial.ini).
– Dave
Aug 1 '11 at 21:17
18
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How to set the text color of TextView in code?
In XML, we can set a text color by the textColor attribute, like android:textColor="#FF0000" . But how do I change it by coding?
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#include in .h or .c / .cpp?
...iles being included multiple times, but if they have proper include guards set up to protect against multiple declaration/definition errors, then a few extra seconds of build time isn't worth worrying about. Trying to manage dependencies manually is a pain in the ass.
Of course, you shouldn't be...
How to make all Objects in AWS S3 bucket public by default?
I am using a PHP library to upload a file to my bucket. I have set the ACL to public-read-write and it works fine but the file is still private.
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C# List of objects, how do I get the sum of a property
...eLine(DateTime.Now - time);
}
class Test
{
public int Property { get; set; }
}
My results with compiler optimizations off are:
00:00:00.0570370 : Sum()
00:00:00.0250180 : Foreach()
00:00:00.0430272 : For(...)
and for second test are:
00:00:00.1450955 : Sum()
00:00:00.0650430 : Foreach()
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What does the line “#!/bin/sh” mean in a UNIX shell script?
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When you try to execute a program in unix (one with the executable bit set), the operating system will look at the first few bytes of the file. These form the so-called "magic number", which can be used to decide the format of the program and how to execute it.
#! corresponds to the magic numb...
Using OR in SQLAlchemy
...sequence of "OR"s is way faster than using "IN". Also "IN" is limited to a set of ~1000 entries, while "OR" is not.
– g.a
Sep 5 '18 at 21:13
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How to count the number of set bits in a 32-bit integer?
...nguage (e.g. using uint32_t for C++ and >>> in Java):
int numberOfSetBits(uint32_t i)
{
// Java: use int, and use >>> instead of >>
// C or C++: use uint32_t
i = i - ((i >> 1) & 0x55555555);
i = (i & 0x33333333) + ((i >> 2) & 0x3333...
Resuming git-svn clone
...one also need to be provided (as applicable) to git svn fetch. E.g., i had set -r HEAD for git svn clone to get only the HEAD SVN revision. To resume i ran git svn fetch, which started importing all revisions.
– amolbk
May 14 '15 at 5:38
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