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What does !! mean in ruby?
...ly not necessary to use though since the only false values to Ruby are nil and false, so it's usually best to let that convention stand.
Think of it as
!(!some_val)
One thing that is it used for legitimately is preventing a huge chunk of data from being returned. For example you probably don't ...
Transitions with GStreamer Editing Services freezes, but works OK without transitions
...g to use gstreamer's GStreamer Editing Services to concatenate 2 videos, and to have a transition between the two.
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Write string to output stream
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Streams (InputStream and OutputStream) transfer binary data. If you want to write a string to a stream, you must first convert it to bytes, or in other words encode it. You can do that manually (as you suggest) using the String.getBytes(Charset) ...
How to set Oracle's Java as the default Java in Ubuntu?
... new version.
If you want to set JAVA_HOME environment variables globally and at system level means use should set in /etc/environment file.
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fo...
Package objects
...write
import swing._
import Swing._
to have all the goodness like onEDT and implicit conversions from Tuple2 to Dimension.
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How to download a single commit-diff from GitHub?
...com/foo/bar/commit/${SHA}.patch
Thanks to Ten Things You Didn't Know Git And GitHub Could Do...
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return query based on date
...ate two dates off of the first one like this, to get the start of the day, and the end of the day.
var startDate = new Date(); // this is the starting date that looks like ISODate("2014-10-03T04:00:00.188Z")
startDate.setSeconds(0);
startDate.setHours(0);
startDate.setMinutes(0);
var dateMidnight ...
Get Character value from KeyCode in JavaScript… then trim
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Maybe I didn't understand the question correctly, but can you not use keyup if you want to capture both inputs?
$("input").bind("keyup",function(e){
var value = this.value + String.fromCharCode(e.keyCode);
});
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I need a Nodejs scheduler that allows for tasks at different intervals [closed]
...* * * * *' - runs every 5 seconds
'10,20,30 * * * * *' - run at 10th, 20th and 30th second of every minute
'0 * * * * *' - runs every minute
'0 0 * * * *' - runs every hour (at 0 minutes and 0 seconds)
But also more complex schedules e.g.
'00 30 11 * * 1-5' - Runs every weekday (Monday through Fr...
GitHub pages are not updating
...nly changing one line into index.html made it "load" the "true" index.html and not all the previous commit.
– Miguel Vazq
Oct 22 '15 at 16:10
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