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Python dict how to create key or append an element to key?
...to do this so you can compare how it looks and choose what you like. I've ordered them in a way that I think is most "pythonic", and commented the pros and cons that might not be obvious at first glance:
Using collections.defaultdict:
import collections
dict_x = collections.defaultdict(list)
......
How can I create a keystore?
...keystore.jks, but to create keystore.jks you have to build gradle files in order to enable the menu! To overcome this obstacle, you should edit build.gradle and comment signingConfig signingConfigs.release, then comment lines that set keystore properties. After that sync build.gradle and try to comp...
Convert a binary NodeJS Buffer to JavaScript ArrayBuffer
...ffer as part of v8, but the Buffer class provides a more flexible API. In order to read or write to an ArrayBuffer, you only need to create a view and copy across.
From Buffer to ArrayBuffer:
function toArrayBuffer(buf) {
var ab = new ArrayBuffer(buf.length);
var view = new Uint8Array(ab)...
How to get controls in WPF to fill available space?
...inimum requested size.
In the DockPanel, I had docked things in the wrong order. If the TextBox or ListBox is the only docked item without an alignment, or if they are the last added, they WILL fill the remaining space as wanted.
I would love to see a more elegant method of handling this, but it w...
python's re: return True if string contains regex pattern
...t would be helpful if you showed actual possible arguments, in the correct order, rather than just ....
– ruakh
Jan 25 '12 at 23:37
1
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Chaining multiple MapReduce jobs in Hadoop
...ntifying dependent things and 'executing' them in dependency (topological) order.
Or you can use a Cascade (and MapReduceFlow) in Cascading ( http://www.cascading.org/ ). A future version will support Riffle annotations, but it works great now with raw MR JobConf jobs.
A variant on this is to not ...
sed whole word search and replace
...
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How to remove the arrow from a select element in Firefox
...e on a combobox now remove
the dropdown button (bug 649849).
So now in order to hide the default arrow - it's as easy as adding the following rules on our select element:
select {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
}
DEMO
select {
margin: 50px;...
How to generate and validate a software license key?
...artup, but the activation data, which needs the computer to be the same in order to validate (otherwise, the DATA would be different and the digital signature would not validate). Note that the activation data checking do not require verification over the Internet: it is sufficient to verify the dig...
How to tell Xcode where my info.plist and .pch files are
...storyboard files in finder, but my Xcode project did not pick them up. In order to add files to your xcodeproj just right click on the project or folder in the Project Navigator and select Add Files to "Your Project Name". You should be able to select the files you need (use Cmd key to select mult...