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Remove characters except digits from string using Python?
... up by 7-8 times is hardly peanuts, so the translate method is well worth knowing and using. The other popular non-RE approach...:
$ python -mtimeit -s'x="aaa12333bb445bb54b5b52"' '"".join(i for i in x if i.isdigit())'
100000 loops, best of 3: 11.5 usec per loop
is 50% slower than RE, so the .tra...
Android: Create spinner programmatically from array
...ou edited your post :) I missed the second <String>, your code works now, thanks a lot!
– Select0r
May 6 '10 at 20:43
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Default background color of SVG root element
...
It is the answer of @Robert Longson, now with code (there was originally no code, it was added later):
<?xml version="1.0" encoding="UTF-8"?>
<svg version="1.1" xmlns="http://www.w3.org/2000/svg">
<rect width="100%" height="100%" fill="red...
String to Dictionary in Python
...ring = u'{ "id":"123456789", ... }'
obj = json.loads(json_string) # obj now contains a dict of the data
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Find out what process registered a global hotkey? (Windows API)
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The link to the program is now completely broken. What program was that? There are so many times I'd like to figure out which program registered my hotkeys because suddenly they don't work anymore or do annoying new things.
– Jame...
SQL Server Profiler - How to filter trace to only display events from one database?
...r Trace properties > Events Selection tab > select show all columns. Now under column filters, you should see the database name. Enter the database name for the Like section and you should see traces only for that database.
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What is the difference between `let` and `var` in swift?
...e.
What is interesting:
The value of a constant doesn’t need to be known at compile time, but you must assign the value exactly once.
Another strange feature:
You can use almost any character you like for constant and variable
names, including Unicode characters:
let ???????? = "dog...
Angular.js directive dynamic templateURL
...plateUrl via markup
<hymn template-url="contentUrl"><hymn>
Now you just take a care that property contentUrl populates with dynamically generated path.
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Why does one often see “null != variable” instead of “variable != null” in C#?
...is in C by doing:
if (5 == x)
A typo here will result in invalid code.
Now, in C# this is all piffle. Unless you're comparing two Boolean values (which is rare, IME) you can write the more readable code, as an "if" statement requires a Boolean expression to start with, and the type of "x=5" is I...
How can I measure the speed of code written in PHP? [closed]
...rturbating element" is averaged.
Something like this, so, if you want to know how long it take to serialize an array :
$before = microtime(true);
for ($i=0 ; $i<100000 ; $i++) {
serialize($list);
}
$after = microtime(true);
echo ($after-$before)/$i . " sec/serialize\n";
Not perfect, but...