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Passing variable number of arguments around
... 0x03
#define CRIT 0x01
#define DEBUG_LEVEL ERR
#define WHERESTR "[FILE : %s, FUNC : %s, LINE : %d]: "
#define WHEREARG __FILE__,__func__,__LINE__
#define DEBUG(...) fprintf(stderr, __VA_ARGS__)
#define DEBUG_PRINT(X, _fmt, ...) if((DEBUG_LEVEL & X) == X) \
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How to delete selected text in the vi editor
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If you want to remove all lines in a file from your current line number, use dG, it will delete all lines (shift g) mean end of file
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Alternate output format for psql
... adding it to .psqlrc in your home folder and restarting psql. Look under 'Files' section in the psql doc for more info.
~/.psqlrc
\x auto
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fo...
Long press gesture on UICollectionViewCell
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Objective-C
In your myCollectionViewController.h file add the UIGestureRecognizerDelegate protocol
@interface myCollectionViewController : UICollectionViewController<UIGestureRecognizerDelegate>
in your myCollectionViewController.m file:
- (void)viewDidLoad
{
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Clang vs GCC for my Linux Development project
... operator<<(std::ostream& out, Student const& s) {
^
In file included from /tmp/webcompile/_25327_1.cc:1:
In file included from /usr/include/c++/4.3/string:49:
In file included from /usr/include/c++/4.3/bits/localefwd.h:47:
/usr/include/c++/4.3/iosfwd:134:33: note: previous defini...
What does the Ellipsis object do?
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it's also used in PEP484 type hinting in stub files
– noɥʇʎԀʎzɐɹƆ
Jul 14 '16 at 20:01
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Recompile Heroku slug without push or config change
...his solution did not work when I had a new ENV value for a setting in a js file that gets compiled into the Rails application.js. It took committing a space to the js file and a push to get the asset to actually recompile.
– Josh Diehl
Oct 14 '14 at 2:35
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img src SVG changing the styles with CSS
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.@ruben.lopes two different files, or two different inlines would be simplest
– Rowe Morehouse
Jun 30 '17 at 17:41
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How do I move forward and backward between commits in git?
...an define a function accessible as a parameter-expecting alias in your .profile file to navigate forward towards the particular commit:
# Go forward in Git commit hierarchy, towards particular commit
# Usage:
# gofwd v1.2.7
# Does nothing when the parameter is not specified.
gofwd() {
git check...
Getting the parent of a directory in Bash
If I have a file path such as...
11 Answers
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