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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...
check if directory exists and delete in one command unix
...this isn't the answer. One reason for testing before deleting would be inside a Jenkins job. If the directory doesn't exist and you try to delete it, that will fail the job. Checking beforehand is the better option.
– lumberjacked
Mar 1 '17 at 21:38
...
How do I raise a Response Forbidden in django
... as you would any other response.
from django.http import HttpResponseForbidden
return HttpResponseForbidden()
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CMake: Print out all accessible variables in a script
...k to file myfile.txt and run : cmake -P myfile.txt
– Idok
Feb 3 '17 at 23:18
2
VARIABLES lists on...
Android AsyncTask testing with Android Test Framework
...Task implementation example and am having problem in testing it using Android JUnit framework.
7 Answers
...
Remove Trailing Slash From String PHP
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
makefile execute another target
...ot a big deal to run more than one makefile instance since each command inside the task will be a sub-shell anyways. But you can have reusable methods using the call function.
log_success = (echo "\x1B[32m>> $1\x1B[39m")
log_error = (>&2 echo "\x1B[31m>> $1\x1B[39m" && exi...
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.
...
Is returning by rvalue reference more efficient?
...ect into the return value of the function. If the compiler can, it will avoid the move altogether, by using RVO (return value optimization). Now, you can do the following
Beta_ab ab = others.toAB();
And it will move construct the temporary into ab, or do RVO to omit doing a move or copy altogethe...
Does it make sense to do “try-finally” without “catch”?
...oncrete example of handling the exception from a calling method.
public void yourOtherMethod() {
try {
yourMethod();
} catch (YourException ex) {
// handle exception
}
}
public void yourMethod() throws YourException {
try {
db.store(mydata);
} finall...