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Random string generation with upper case letters and digits
...k=N))
A cryptographically more secure version; see https://stackoverflow.com/a/23728630/2213647:
''.join(random.SystemRandom().choice(string.ascii_uppercase + string.digits) for _ in range(N))
In details, with a clean function for further reuse:
>>> import string
>>> import r...
Count characters in textarea
...re.
<!DOCTYPE html>
<html>
<head>
<script src="http://code.jquery.com/jquery-1.5.js"></script>
<script>
function countChar(val) {
var len = val.value.length;
if (len >= 500) {
val.value = val.value.substring(0, 500);
...
How can I uninstall an application using PowerShell?
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51
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How is “=default” different from “{}” for default constructor and destructor?
...sible result:
0,0
0,0
145084416,0
0,0
145084432,0
0,0
145084416,0
//...
http://ideone.com/k8mBrd
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Should import statements always be at the top of a module?
...
John, this was a completely theoretical question so I didn't have any code to profile. In the past I have always followed the PEP, but I wrote some code today that made me wonder if that was the correct thing to do. Thanks for your help.
...
How are Python's Built In Dictionaries Implemented?
... together (probably more than anyone would like to know; but the answer is comprehensive).
Python dictionaries are implemented as hash tables.
Hash tables must allow for hash collisions i.e. even if two distinct keys have the same hash value, the table's implementation must have a strategy to inse...
Is there a JavaScript / jQuery DOM change listener?
...are content script
add "tabs" permission.
background.js
var rxLookfor = /^https?:\/\/(www\.)?google\.(com|\w\w(\.\w\w)?)\/.*?[?#&]q=/;
chrome.tabs.onUpdated.addListener(function (tabId, changeInfo, tab) {
if (rxLookfor.test(changeInfo.url)) {
chrome.tabs.sendMessage(tabId, 'url-update');
...
Android studio, gradle and NDK
...
We have released a first version of the integration as a preview in 1.3: http://tools.android.com/tech-docs/android-ndk-preview
The integration will stay a preview even after 1.3 becomes final. No current ETA as to when it'll be final (as of 2015/07/10).
More information here: http://tools.andro...
Camera orientation issue in Android
...ile others simply add the orientation tag in the photo's exif data.
I'd recommend checking the photo's exif data and looking particularly for
ExifInterface exif = new ExifInterface(SourceFileName); //Since API Level 5
String exifOrientation = exif.getAttribute(ExifInterface.TAG_ORIENTATION);
...
JQuery: 'Uncaught TypeError: Illegal invocation' at ajax request - several elements
...ocument, or other non-processed data, set this option to false.
Source: http://api.jquery.com/jquery.ajax
Looks like you are going to have to use processData to send your data to the server, or modify your php script to support querystring encoded parameters.
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