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Finding all cycles in a directed graph
...rom the start/finish) appears more than once. By that definition, isn't A->B->C->A elementary too?
– psmears
Dec 1 '14 at 10:27
9
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How to manually send HTTP POST requests from Firefox or Chrome browser?
...'t use single quotes on OSX with zsh and bash, shell is turning into quote> mode. I need to use -d "{\"..
– Daniel W.
Mar 3 at 15:32
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How to install CocoaPods?
...bin cocoapods
If there is an error "activesupport requires Ruby version >= 2.xx", then install latest activesupport first by typing in terminal.
sudo gem install activesupport -v 4.2.6
[ 2 ] After installation, there will be a lot of messages, read them and if no error found, it means cocoap...
instantiate a class from a variable in PHP?
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On a similar note, you can also do $var = 'Name'; $obj->{'get'.$var}();
– Mario
Feb 10 '09 at 21:04
1
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Android studio add external project to build.gradle
...wer. In AS 1.0.2, I also needed to do the following: Right click module -> Open Module Settings -> Dependencies -> + (bottom), select Module Dependency, select your library from the list, click ok :)
– T.Coutlakis
Jan 11 '15 at 22:51
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How can I indent multiple lines in Xcode?
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Select your code to reindent, then Go to
Editor -> Structure -> Re-Indent
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How to change the background color of a UIButton while it's highlighted?
... @Dave G, you create a new subclass of UIButton by clicking File>New>File>Cocoa Touch Class and setting it to subclass of UIButton. Name the file for ex CustomButton, which will become both the file name and the class name. Inside this file, put the override var highlighted code s...
Signal handling with multiple threads in Linux
...n a program (that possibly has multiple threads) receives a signal, like SIGTERM or SIGHUP?
2 Answers
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Checkout subdirectories in Git?
... commit.
# Directories present in all branches.
mkdir d1 d2
printf 'd1/a' > ./d1/a
printf 'd1/b' > ./d1/b
printf 'd2/a' > ./d2/a
printf 'd2/b' > ./d2/b
# Present only in root.
mkdir 'root'
printf 'root' > ./root/root
git add .
git commit -m 'root' --quiet
# Second commit only on mast...
MySQL get the date n days ago as a timestamp
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DATE_SUB will do part of it depending on what you want
mysql> SELECT DATE_SUB(NOW(), INTERVAL 30 day);
2009-06-07 21:55:09
mysql> SELECT TIMESTAMP(DATE_SUB(NOW(), INTERVAL 30 day));
2009-06-07 21:55:09
mysql> SELECT UNIX_TIMESTAMP(DATE_SUB(NOW(), INTERVAL 30 day));
124443334...