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Homebrew: List only installed top level formulas
...
$ brew deps --installed
tmux: pkg-config libevent
q:
gdbm:
libxml2:
asciidoc: docbook
libevent:
pkg-config:
pcre:
docbook:
zsh: gdbm pcre
readline:
emacs: pkg-config
This seems to give us a list of all installed formulae including their dependencies. We can build a list of all formulae and a li...
What is the difference between Trap and Interrupt?
...is an exception in a user process. It's caused by division by zero or invalid memory access. It's also the usual way to invoke a kernel routine (a system call) because those run with a higher priority than user code. Handling is synchronous (so the user code is suspended and continues afterwards). I...
How to install Xcode Command Line Tools
...in Xcode.
Running the command in terminal produces the following GUI:
Inside Xcode (5.0)
Xcode includes a new "Downloads" preference pane to install optional components such as command line tools, and previous iOS Simulators. To open this pane click the "Xcode" button in the top left of the scre...
Android studio: why are minSdkVersion and targetSdkVersion specified both in AndroidManifest.xml and
I just discovered something weird about Android studio: it has some configuration options in the build.gradle file that override what is specified in the AndroidManifest.xml file.
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Pushing a local branch up to GitHub
... to push, git will not push your local branch.
Here is the message it provides:
warning: push.default is unset; its implicit value has changed in Git
2.0 from 'matching' to 'simple'. To squelch this message and maintain the traditional behavior, use:
git config --global push.default matc...
php static function
... is no multiple instance with dynamic data flow and dynamic output. Just guide me.@chaos
– sun
Feb 25 '14 at 13:50
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Find what filetype is loaded in vim
...filetype=ps1, now vim will highlight the current file using ps1 style (providing that you already download the proper powershell syntax file and put it into your ~/.vim/syntax).
At this point, you will probably want auto-syntax-highlight from now on. The solution is to put a corresponding detection...
Difference between HTML “overflow : auto” and “overflow : scroll”
...red Jul 14 '11 at 6:46
Johan DavidssonJohan Davidsson
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How to run cron once, daily at 10pm
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Although the hour 22 might be relatively save, please consider the first case of this question
– Martin Thoma
Sep 16 '18 at 12:53
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Javadoc link to method in other class
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Aside from @see, a more general way of refering to another class and possibly method of that class is {@link somepackage.SomeClass#someMethod(paramTypes)}. This has the benefit of being usable in the middle of a javadoc descrip...