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Iterating a JavaScript object's properties using jQuery
...ect as the first argument and a function as a second. This functions gets calld for every element in the array / every property in the object. Every time the function is called, it get the index and value / name and value passed in as arguments. In my example the parameter "n" are the two string "Jo...
Capture key press (or keydown) event on DIV element
...ne in the CSS.
See the table of keycodes for more keyCode possibilities.
All of the code assuming you use jQuery.
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How to get the tag HTML with JavaScript / jQuery?
... to the html element!? I don't think performance should be a concern, generally. Anyway, this is actually the better answer, but it came in WAY after the award.
– posit labs
Apr 21 '15 at 1:08
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Dynamically adding properties to an ExpandoObject
I would like to dynamically add properties to a ExpandoObject at runtime. So for example to add a string property call NewProp I would like to write something like
...
Pass a data.frame column name to a function
...l_name,col1,col2){
df$col_name <- df$col1 + df$col2
df
}
#Call foo() like this:
foo(dat,z,x,y)
The problem here is that df$col1 doesn't evaluate the expression col1. It simply looks for a column in df literally called col1. This behavior is described in ?Extract under the secti...
What's a correct and good way to implement __hash__()?
...be integers, and there aren't too many of them, I suppose you could potentially run slightly faster with some home-rolled hash, but it likely wouldn't be as well distributed. hash((self.attr_a, self.attr_b, self.attr_c)) is going to be surprisingly fast (and correct), as creation of small tuples is ...
Multiline for WPF TextBox
...
Here is the sample XAML that will allow TextBox to accept multiline text and it uses it's own Scrollbars:
<TextBox
Height="200"
Width="500"
TextWrapping="Wrap"
AcceptsReturn="True"
HorizontalScrollBarVisibility="Disabled"
VerticalScrollBarVisibility="Auto...
How to include a font .ttf using CSS?
...s you have .eot , .woff , .ttf and svg format for you webfont. To automate all this process , you can use : Transfonter.org.
Also , modern browsers are shifting towards .woff font , so you can probably do this too :
:
@font-face {
font-family: 'MyWebFont';
src: url('myfont.woff') format('woff'),...
What does “Splats” mean in the CoffeeScript tutorial?
...e term "splat operator" comes from Ruby, where the * character (sometimes called the "splat"—see the Jargon File entry) is used to indicate that an entry in an argument list should "soak up" a list of arguments.
CoffeeScript adopted Ruby-style splats very early on (see issue 16), but at Douglas C...
Android studio: why are minSdkVersion and targetSdkVersion specified both in AndroidManifest.xml and
...ties and generate another apk.
You can leave the manifest as it is and do all configuration in build.gradle. You can safely remove
<uses-sdk></uses-sdk>
from manifest as well as version codes.
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