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How to reset (clear) form through JavaScript?
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This solution does not work now (in 2016). When form has default values for text, password and textarea inputs, you should use elements[i].defaultValue="" instead of elements[i].value="".
– Andrew F.
Aug 14 '16 at ...
How to reverse a 'rails generate'
...stroy scaffold hohoho
Rails 3.2 adds a new d shortcut to the command, so now you can write:
rails d controller lalala
rails d model yadayada
rails d scaffold hohoho
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How to get ASCII value of string in C#
...g into a byte[].
byte[] asciiBytes = Encoding.ASCII.GetBytes(value);
You now have an array of the ASCII value of the bytes. I got the following:
57
113
117
97
108
105
53
50
116
121
51
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imp...
Using Predicate in Swift
...ould become NSArray(object: …). This is a regular pattern in Swift.)
So now we just need to pass the arguments to the constructor. In Objective-C, NSString literals look like @"", but in Swift we just use quotation marks for strings. So that gives us:
let resultPredicate = NSPredicate(format: "n...
Mongoose — Force collection name
... This was super helpful. I spent two days trying to query something now.
– Holt Mansfield
Sep 26 '18 at 15:23
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Git - How to close commit editor?
...description at the very top, press esc to exit insert mode, then type :x! (now the cursor is at the bottom) and hit enter to save and exit.
If typing :q! instead, will exit the editor without saving (and commit will be aborted)
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How to detect first time app launch on an iPhone
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I wrote a tiny library for this very purpose. It lets me know whether this is the first launch ever, or just for this version, and any past versions the user has installed. It's available on github as a cocoapod under the Apache 2 license: GBVersionTracking
You just call this in ap...
Reduce, fold or scan (Left/Right)?
...rt with the RIGHT element and go backwards (from C to A) we'll notice that now the second argument to our binary operator accumulates the result (the operator is the same, we just switched the argument names to make their roles clear):
def add(x: String, res: String) = {
println(s"op: $x + $res ...
Crop MP3 to first 30 seconds
...his means ffmpeg -t 30 -i inputfile.mp3 -acodec copy outputfile.mp3 would now be the correct answer.
– Oben Sonne
Dec 30 '12 at 20:41
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How do I cancel form submission in submit button onclick event?
...ut type="submit" value="login" id="login-btn"/>
</form>
You can now catch get that event before the form postback and stop it from postback and do all the ajax you want using this jquery.
$(document).ready(function () {
$("#login-btn").click(function (event) {
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