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What is the difference between .yaml and .yml extension? [duplicate]
...erring. More likely, this resulted from the fact that three (3) characters starting with "Y" is sufficiently clear, since few extensions start with "Y."
– MarkDBlackwell
Aug 3 '16 at 22:59
...
What is the use of the @ symbol in PHP?
... use the @ operator for error supression, you have no clue at all where to start when an error occurs. I already had some "fun" with legacy code where some developers used the @ operator quite often. Especially in cases like file operations, network calls, etc. Those are all cases where lots of deve...
Extracting numbers from vectors of strings
...
How about
# pattern is by finding a set of numbers in the start and capturing them
as.numeric(gsub("([0-9]+).*$", "\\1", years))
or
# pattern is to just remove _years_old
as.numeric(gsub(" years old", "", years))
or
# split by space, get the element in first index
as.numeric(s...
Programmatically select text in a contenteditable HTML element?
...by switching to designMode and using document.execCommand:
There's a good starting point at MDN and a littledocumentation.
var selectText = function () {
document.execCommand('selectAll', false, null);
};
(works well in IE6+, Opera 9+, Firefoy 3+, Chrome 2+) http://caniuse.com/#search=execComm...
How to run .APK file on emulator [duplicate]
...
@mahdi That command is for installing on the emulator. Start the emulator and run that command. It doesn't matter where the .apk file is stored, it will be copied to the emulator.
– Dan Dyer
Dec 24 '10 at 20:16
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Throwing cats out of windows
...you can perform is to drop an egg off some floor and see what happens. You start out with k eggs, and seek to drop eggs as few times as possible. Broken eggs cannot be reused (intact eggs can). Let E(k,n) be the minimum number of egg droppings that will always suffice.
Show that E(1,n) = n.
Show th...
Android Whatsapp/Chat Examples [closed]
...oking to create an instant messenger for Android, this code should get you started somewhere.
Excerpt from the source :
This is a simple IM application runs on Android, application makes
http request to a server, implemented in php and mysql, to
authenticate, to register and to get the othe...
Why is setTimeout(fn, 0) sometimes useful?
...p://jsfiddle.net/C2YBE/31/ . Many thanks to @ThangChung for helping to kickstart it.
UPDATE2: Just in case JSFiddle web site dies, or deletes the code, I added the code to this answer at the very end.
DETAILS:
Imagine a web app with a "do something" button and a result div.
The onClick handler...
IISExpress returns a 503 error from remote machines
...ing protocol="http" bindingInformation=":50333:your-machine-name" />
Restart IIS Express
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What is the fastest method for selecting descendant elements in jQuery?
...est(selectorCallback) {
var iterations = 100000;
// Record the starting time, in UTC milliseconds.
var start = new Date().getTime();
for (var i = 0; i < iterations; i++) {
// Execute the selector. The result does not need to be used or assigned
selectorCa...