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When and why should I use fragments in Android applications? [duplicate]
... the webView in fragment B, and suddenly you see what you just clicked without the app switching activities - then you could use a fragment. That's just an example I came up with off the top of my head.
Bottom line: Fragments are two or more activities on the screen at the same time.
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map function for objects (instead of arrays)
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There is no native map to the Object object, but how about this:
var myObject = { 'a': 1, 'b': 2, 'c': 3 };
Object.keys(myObject).map(function(key, index) {
myObject[key] *= 2;
});
console.log(myObject);
// => { 'a': 2, 'b': 4, 'c': 6 }
But you could eas...
How do you manually execute SQL commands in Ruby On Rails using NuoDB
... seem to use ActiveRecord::Base.connection.execute. Could you please point out what exactly you changed to get the data instead of just true?
– RocketR
Apr 12 '18 at 13:29
add...
Run class in Jar file
...r and you want to use the class called myClass from it, how do you go about doing it from the command line?
5 Answers
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How do you enable the escape key close functionality in a Twitter Bootstrap modal?
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As @nrek points out below - close with escape is true by default, so you don't strictly need data-keyboard="true" - it's tabindex="-1" that enables the behaviour
– Leo
May 18 '18 at 8:40
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Right way to initialize an OrderedDict using its constructor such that it retains order of initial d
...ated and creates the list and it is passed in; OrderedDict knows nothing about how it was created.
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.bashrc at ssh login
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fwiw Debian Jessie/8 already sources .bashrc out-of-the-box - but it does it from .profile, not .bash_profile.
– underscore_d
Oct 18 '15 at 14:06
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How to limit depth for recursive file list?
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Checkout the -maxdepth flag of find
find . -maxdepth 1 -type d -exec ls -ld "{}" \;
Here I used 1 as max level depth, -type d means find only directories, which then ls -ld lists contents of, in long format.
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Redis is single-threaded, then how does it do concurrent I/O?
...can only prepare one beverage at a time. So he can provide concurrency without parallelism.
This question has been debated here:
What is the difference between concurrency and parallelism?
See also this presentation from Rob Pike.
A single-threaded program can definitely provide concurrency at th...
How to print a date in a regular format?
...strftime("%Y-%m-%d") still looks unpythonic to me, but that's the best without import time. I think the datetime module is for date math.
– Cees Timmerman
Nov 19 '13 at 9:01
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