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How to print out more than 20 items (documents) in MongoDB's shell?
... all results from Robomongo output. Thank you!
– Andrés Botero
Jun 19 '17 at 19:21
That's great, and it also let me p...
What is the volatile keyword useful for?
...So if Thread A is creating Singleton instance and just after creation, the CPU corrupts etc, all other threads will not be able to see the value of _instance as not null and they will believe it is still assigned null.
Why does this happen? Because reader threads are not doing any locking and unt...
How do I increase the RAM and set up host-only networking in Vagrant?
...
To increase the memory or CPU count when using Vagrant 2, add this to your Vagrantfile
Vagrant.configure("2") do |config|
# usual vagrant config here
config.vm.provider "virtualbox" do |v|
v.memory = 1024
v.cpus = 2
end
e...
Bootstrap 3: pull-right for col-lg only
... edited Apr 15 '16 at 13:05
André Dion
18.2k77 gold badges5151 silver badges5757 bronze badges
answered Mar 17 '15 at 8:25
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Convert from MySQL datetime to another format with PHP
...hich people who come to this page actually have.
– Clément
Apr 29 '14 at 22:53
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Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
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@Viktor Lannér: If you call mSurfaceHolder.unlockCanvasAndPost(c) and then c = mSurfaceHolder.lockCanvas(null), then the new c does not contain the same thing as the previous c. You can’t update just a part of a SurfaceView, which is ...
jquery find closest previous sibling with class
...ling without having to get all. I had a particularly long set that was too CPU intensive using prevAll().
var category = $('li.current_sub').prev('li.par_cat');
if (category.length == 0){
category = $('li.current_sub').prevUntil('li.par_cat').last().prev();
}
category.show();
This gets the firs...
PostgreSQL: Difference between text and varchar (character varying)
... increased storage space when using the blank-padded type, and a few extra CPU cycles to check the length when storing into a length-constrained column. While character(n) has performance advantages in some other database systems, there is no such advantage in PostgreSQL; in fact character(n) is usu...
Difference between “and” and && in Ruby?
...uld be used for very specific cases only.
– Marc-André Lafortune
Apr 9 '12 at 3:05
10
Another go...
Multiple file-extensions searchPattern for System.IO.Directory.GetFiles
...e a tested (working) regular expression
– Junior Mayhé
Aug 17 '12 at 15:12
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