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How to execute file I'm editing in Vi(m)
...prg option. Use % as a placeholder for the current file name. For example, if you were editing a python script:
:set makeprg=python\ %
Yes, you need to escape the space. After this you can simply run:
:make
If you wish, you can set the autowrite option and it will save automatically before run...
git pull keeping local changes
How can I safely update (pull) a git project, keeping specific files untouched, even if there's upstream changes?
6 Answers...
How to hide command output in Bash
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Usually, output goes either to file descriptor 1 (stdout) or 2 (stderr). If you close a file descriptor, you'll have to do so for every numbered descriptor, as &> (below) is a special BASH syntax incompatible with >&-:
/your/first/command >&- 2>&-
Be careful to note ...
How to convert char to int?
... ParseInt32(this char value) {
int i = (int)(value - '0');
if (i < 0 || i > 9) throw new ArgumentOutOfRangeException("value");
return i;
}
}
then use int x = c.ParseInt32();
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Canvas is stretched when using CSS but normal with “width” / “height” properties
...size of the element's bitmap: width and height. These attributes, when specified, must have values that are valid non-negative integers. The rules for parsing non-negative integers must be used to obtain their numeric values. If an attribute is missing, or if parsing its value returns an error, then...
JPA and Hibernate - Criteria vs. JPQL or HQL
... to express queries in Hibernate, but sometimes Criteria Queries are more difficult to understand/build than HQL.
21 Answe...
JavaScript: empty array, [ ] evaluates to true in conditional structures. Why is this?
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If you test the expression [] == false it evaluates to true.
– m.rufca
Apr 24 '18 at 18:06
3
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Difference between `constexpr` and `const`
What's the difference between constexpr and const ?
9 Answers
9
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Why would a post-build step (xcopy) occasionally exit with code 2 in a TeamCity build?
...ient's solution have a post-build event: xcopy the build output to a specific folder. This works fine when building locally. However, in TeamCity, I occasionally get
...
How to discover number of *logical* cores on Mac OS X?
...lanagan how many physical cores does the machine have and what chip is it? If it's a core i7 with 2 physical cores for example, it will show as 4 because the chip supports hyper-threading and presents itself to the OS as if it has 4 addressable cores.
– jkp
Sep...