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Checking if a string can be converted to float in Python
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Richard Simões
10.6k44 gold badges3737 silver badges4949 bronze badges
answered Apr 9 '09 at 21:55
dbrdbr
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Transparent ARGB hex value
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205
Transparency is controlled by the alpha channel (AA in #AARRGGBB). Maximal value (255 dec, FF h...
How do you read CSS rule values with JavaScript?
...(className) {
var cssText = "";
var classes = document.styleSheets[0].rules || document.styleSheets[0].cssRules;
for (var x = 0; x < classes.length; x++) {
if (classes[x].selectorText == className) {
cssText += classes[x].cssText || classes[x].style.cssText...
Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
... to the process in question using gdb, and run:
p dup2(open("/dev/null", 0), 1)
p dup2(open("/dev/null", 0), 2)
detach
quit
e.g.:
$ tail -f /var/log/lastlog &
[1] 5636
$ ls -l /proc/5636/fd
total 0
lrwx------ 1 myuser myuser 64 Feb 27 07:36 0 -> /dev/pts/0
lrwx------ 1 myuser myuser 6...
Using jQuery to center a DIV on the screen
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1076
I like adding functions to jQuery so this function would help:
jQuery.fn.center = function ()...
PostgreSQL LIKE query performance variations
...to a particular table in my database. Sometimes I will get results within 200-400 ms (very acceptable) but other times it might take as much as 30 seconds to return results.
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Add UIPickerView & a Button in Action sheet - How?
...ableViewController *)[[navigationController viewControllers] objectAtIndex:0];
tableViewController.tableData = self.statesArray;
tableViewController.navigationItem.title = @"States";
tableViewController.delegate = self;
[self presentViewController:navigationController animated:YES completion:nil];
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How do I view the list of functions a Linux shared library is exporting?
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320
What you need is nm and its -D option:
$ nm -D /usr/lib/libopenal.so.1
.
.
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00012ea0 T alcSetT...
How to install a specific version of a ruby gem?
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answered Jun 10 '13 at 14:37
mjsmjs
54.3k2424 gold badges7979 silver badges111111 bronze badges
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Python unittests in Jenkins?
...il("shouldn't happen")
def test_pass(self):
self.assertEqual(10, 7 + 3)
def test_fail(self):
self.assertEqual(11, 7 + 3)
JUnit with pytest
run the tests with:
py.test --junitxml results.xml tests.py
results.xml:
<?xml version="1.0" encoding="utf-8"?>
<testsu...