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Grabbing the href attribute of an A element
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Reliable Regex for HTML are difficult. Here is how to do it with DOM:
$dom = new DOMDocument;
$dom->loadHTML($html);
foreach ($dom->getElementsByTagName('a') as $node) {
echo $dom->saveHtml($node), PHP_EOL;
}
The above would find and outp...
Twitter Bootstrap 3: how to use media queries?
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Bootstrap 3
Here are the selectors used in BS3, if you want to stay consistent:
@media(max-width:767px){}
@media(min-width:768px){}
@media(min-width:992px){}
@media(min-width:1200px){}
Note: FYI, this may be useful for debugging:
<span class="visible-xs">SIZE XS&...
SQL Server, convert a named instance to default instance?
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Actually this is the response to this question but if you need change your instance name, please see Zasz answer. Please do not downvote because is not what you are looking for, check the question first.
– Leandro
Apr 4 '15 at 21:31
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Tools to search for strings inside files without indexing [closed]
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It is old, it crashed for me too. Even if not perfect for some goals grepWin is better imoh
– Paolo
Oct 28 '13 at 10:07
9
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Should sorting logic be placed in the model, the view, or the controller? [closed]
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What if the same data is to be displayed in two different views, sorted differently?
– s4y
Aug 22 '12 at 5:22
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Search and replace in bash using regular expressions
...ate multiple replacements as well as global pattern matching. Let me know if that helps.
– jheddings
Oct 24 '12 at 5:28
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Find which commit is currently checked out in Git
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You have at least 5 different ways to view the commit you currently have checked out into your working copy during a git bisect session (note that options 1-4 will also work when you're not doing a bisect):
git show.
git log -1.
Bash prompt.
gi...
How can I increment a char?
...o the above works (ord receives Unicode chars and chr produces them).
But if you're interested in bytes (such as for processing some binary data stream), things are even simpler:
>>> bstr = bytes('abc', 'utf-8')
>>> bstr
b'abc'
>>> bstr[0]
97
>>> bytes([97, 98, ...
How to access environment variable values?
...mes you might need to see a complete list!
# using get will return `None` if a key is not present rather than raise a `KeyError`
print(os.environ.get('KEY_THAT_MIGHT_EXIST'))
# os.getenv is equivalent, and can also give a default value instead of `None`
print(os.getenv('KEY_THAT_MIGHT_EXIST', defa...
Difference between Python datetime vs time modules
I am trying to figure out the differences between the datetime and time modules, and what each should be used for.
4 An...