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How can I use Async with ForEach?
...de is more natural if such operations can return their results rather than setting a value as a side effect.
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In which order do CSS stylesheets override?
... last loading CSS is THE MASTER, which will override all css with same css settings
Example:
<head>
<link rel="stylesheet" type="text/css" href="css/reset.css">
<link rel="stylesheet" type="text/css" href="css/master.css">
</head>
reset.css
h1 {
font-size: 20...
Impossible to Install PG gem on my mac with Mavericks
...
Just a note that you can still use bundler by setting a config env variable: export CONFIGURE_ARGS="with-pg-config=/Applications/Postgres.app/Contents/MacOS/bin/pg_config"
– film42
Nov 16 '13 at 17:47
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Deep copying an NSArray
...t graph?
If there was some hypothetical NSDeepCopying protocol, you could set this up and make decisions in all of your objects, but unfortunately there isn't. If you controlled most of the objects in your graph, you could create this protocol yourself and implement it, but you'd need to add a cate...
Undo part of unstaged changes in git
...wise, git add -p allows you to choose hunks to add to the index, and git reset -p allows you to choose individual hunks from the diff between the index and HEAD to back out of the index.
$ git checkout -p file/to/partially/revert
# or ...
$ git checkout -p .
If you wish to snapshot your git repos...
How do I keep the screen on in my App? [duplicate]
.... */
@Override
public void onCreate(final Bundle icicle) {
setContentView(R.layout.main);
/* This code together with the one in onDestroy()
* will make the screen be always on until this Activity gets destroyed. */
final PowerManager pm = (PowerManager) get...
Debugging “Element is not clickable at point” error
...element and in fact click on it.
After instructing the selenium driver to set the window size appropriately this issues went away for me. The webdriver API is decribed here.
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Filtering by Multiple Specific Model Properties in AngularJS (in OR relationship)
...I like this solution for dealing with small objects, but if you have a big set of objects with lots of nested stuff, mapping everything can be confusing / easy to make an error. +1 though for a great solution for basic needs...wish this wasn't so complicated to filter for only a few properties inste...
AWS MySQL RDS vs AWS DynamoDB [closed]
... elaborate caching mechanism to compensate for it in places you would have settled for RDS's internal caching.
Data Integrity - While the concept of fluid data structure sounds nice to begin with, some of your data is better "set in stone". Strong typing is a blessing when a little bug tries to dest...
How do I load the contents of a text file into a javascript variable?
...'/foo.txt');
client.onreadystatechange = function() {
alert(client.responseText);
}
client.send();
Normally speaking, though, XMLHttpRequest isn't available on all platforms, so some fudgery is done. Once again, your best bet is to use an AJAX framework like jQuery.
One extra consideration: this...