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The preferred way of creating a new element with jQuery
... good practice is prefixing your jQuery variables with $:
Is there any specific reason behind using $ with variable in jQuery
Placing quotes around the "class" property name will make it more compatible with less flexible browsers.
...
Why is the asterisk before the variable name, rather than after the type?
...* c * d
* e * f * g;
Here *e would be misleading, wouldn't it?
Okay, now what does the following line actually mean:
int *a;
Most people would say:
It means that a is a pointer to an int value.
This is technically correct, most people like to see/read it that way and that is the way how m...
Storing Images in PostgreSQL
... have not changed the original text above today (my answer was Apr 22 '12, now with 14 votes), I am opening the answer for your changes (see "Wiki mode", you can edit!), for proofreading and for updates. The question is stable (@Ivans's '08 answer with 19 votes), please, help to improve this text....
How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...
Updated Now with improved recursion depth! Works on MSVC10 and GCC without increased depth. :)
Simple compile-time recursion + addition:
template<unsigned Cur, unsigned Goal>
struct adder{
static unsigned const sub_goal =...
putting datepicker() on dynamically created elements - JQuery/JQueryUI
... I think you'd be OK with the .datapicker() because it will probably check if a datepicker is created before trying to recreate. With other code you might not have this grace. Also, .on( is only introduced in JQuery 1.7 - so make sure you're using the correct version.
– Tr1sta...
Unable to install gem - Failed to build gem native extension - cannot load such file — mkmf (LoadErr
... 12.04
Usually, the solution is:
sudo apt-get install ruby-dev
Or, if that doesn't work, depending on your ruby version, run something like:
sudo apt-get install ruby1.9.1-dev
Should fix your problem.
Still not working? Try the following after installing ruby-dev:
sudo apt-get i...
keytool error :java.io.IoException:Incorrect AVA format
... ,(comma)) in a field for Name, Organization or somewhere else.
Of course if you really want some charachter can be escaped with \ sign
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What is the size of ActionBar in pixels?
...height of the ActionBar in XML, just use
?android:attr/actionBarSize
or if you're an ActionBarSherlock or AppCompat user, use this
?attr/actionBarSize
If you need this value at runtime, use this
final TypedArray styledAttributes = getContext().getTheme().obtainStyledAttributes(
...
How to override Backbone.sync?
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I know this answer is a bit too late, and the answer from @Raynos is great, but I did it a bit differently, and maybe it would be useful for you or for any other person trying to use an API with Backbone.
Instead of overriding ...
How do I get the information from a meta tag with JavaScript?
...mentsByTagName('meta');
for (let i = 0; i < metas.length; i++) {
if (metas[i].getAttribute('name') === metaName) {
return metas[i].getAttribute('content');
}
}
return '';
}
console.log(getMeta('video'));
...