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How to listen for a WebView finishing loading a URL?
...several iframes in a page you will have multiple onPageFinished (and onPageStarted). And if you have several redirects it may also fail. This approach solves (almost) all the problems:
boolean loadingFinished = true;
boolean redirect = false;
mWebView.setWebViewClient(new WebViewClient() {
@O...
Understanding dispatch_async
...spatch_async() blocks to DISPATCH_QUEUE_PRIORITY_DEFAULT, those tasks will start executing in the order you sent them into the queue. Likewise for the HIGH, LOW, and BACKGROUND queues. Anything you send into any of these queues is executed in the background on alternate threads, away from your main ...
Reference - What does this error mean in PHP?
...ple would be a template file like this:
<html>
<?php session_start(); ?>
<head><title>My Page</title>
</html>
...
The session_start() function will try to send headers with the session cookie to the client. But PHP already sent headers when it wrote the...
How to schedule a function to run every hour on Flask?
...ler.add_job(func=print_date_time, trigger="interval", seconds=3)
scheduler.start()
# Shut down the scheduler when exiting the app
atexit.register(lambda: scheduler.shutdown())
Note that two of these schedulers will be launched when Flask is in debug mode. For more information, check out this ques...
Wrap long lines in Python [duplicate]
...ence/lexical_analysis.html#string-literal-concatenation is a good place to start for more info.
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Split delimited strings in a column and insert as new rows [duplicate]
...lumns in a single statement:
> head(mydf)
geneid chrom start end strand length gene_count
ENSG00000223972.5 chr1;chr1;chr1;chr1;chr1;chr1;chr1;chr1;chr1 11869;12010;12179;12613;12613;12975;13221;13221;13453 12227;12057;12227;12721;12697;13052;13374;14409;13670 +;+;+;+...
TDD vs. Unit testing [closed]
...t implementing TDD, but they weren't creating any Unit Tests before...then start them off by creating Unit Tests after their code is written. Even Unit tests written after the code are better than no Unit Tests at all!
Once they're proficient at Unit Testing (and everything that comes with it), the...
Evil Mode best practice? [closed]
...a huge number of things to gain, I did a lot of experimenting when I first started using evil. While the following are controversial, I wanted to keep the emacs keys that are used more universally in terminal, firefox, cocoa, etc..., but didn't want to lose the vim editing capabilities. I ended up d...
Python time measure function
...o write your own timing method strictly to learn, here is somewhere to get started using a decorator.
Python 2:
def timing(f):
def wrap(*args):
time1 = time.time()
ret = f(*args)
time2 = time.time()
print '%s function took %0.3f ms' % (f.func_name, (time2-time1)*1...
Extract a regular expression match
...hat are missing:
library(stringr)
str_locate("aaa12xxx", "[0-9]+")
# start end
# [1,] 4 5
str_extract("aaa12xxx", "[0-9]+")
# [1] "12"
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