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How to find unused images in an Xcode project?
... + A
and they won't be grayed out.
For files which are not referenced neither in xib nor in code, something like this might work:
#!/bin/sh
PROJ=`find . -name '*.xib' -o -name '*.[mh]'`
find . -iname '*.png' | while read png
do
name=`basename $png`
if ! grep -qhs "$name" "$PROJ"; then
...
node.js child process - difference between spawn & fork
...s a command designed to run system commands. When you run spawn, you send it a system command that will be run on its own process, but does not execute any further code within your node process. You can add listeners for the process you have spawned, to allow your code interact with the spawned pr...
Input type=password, don't let browser remember the password
...
Try using autocomplete="off". Not sure if every browser supports it, though. MSDN docs here.
EDIT: Note: most browsers have dropped support for this attribute. See Is autocomplete="off" compatible with all modern browsers?
This is arguably something that should be left up to the user ra...
Python multiprocessing pool.map for multiple arguments
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The answer to this is version- and situation-dependent. The most general answer for recent versions of Python (since 3.3) was first described below by J.F. Sebastian.1 It uses the Pool.starmap method, which accepts a sequence of argument tuples. It then automat...
Is python's sorted() function guaranteed to be stable?
The documentation doesn't guarantee that. Is there any other place that it is documented?
5 Answers
...
Check if at least two out of three booleans are true
...
Rather than writing:
if (someExpression) {
return true;
} else {
return false;
}
Write:
return someExpression;
As for the expression itself, something like this:
boolean atLeastTwo(boolean a, boolean b, boolean c) {
re...
Difference between View and table in sql
...ore or less, depending on your database).
The advantage of a view is that it can join data from several tables thus creating a new view of it. Say you have a database with salaries and you need to do some complex statistical queries on it.
Instead of sending the complex query to the database all t...
What is the difference between atomic and critical in OpenMP?
What is the difference between atomic and critical in OpenMP?
8 Answers
8
...
How to make rounded percentages add up to 100%
...
Since none of the answers here seem to solve it properly, here's my semi-obfuscated version using underscorejs:
function foo(l, target) {
var off = target - _.reduce(l, function(acc, x) { return acc + Math.round(x) }, 0);
return _.chain(l).
sortBy(f...
Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE
...
It means you're trying to install an app with the same packageName as an app that's already installed on the emulator, but the one you're trying to install has a lower versionCode (integer value for your version number).
You...