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How to center a checkbox in a table cell?
...lt;/table>
CSS
td {
text-align: center; /* center checkbox horizontally */
vertical-align: middle; /* center checkbox vertically */
}
table {
border: 1px solid;
width: 200px;
}
tr {
height: 80px;
}
I hope this helps.
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HTML5 textarea placeholder not appearing
...ayed since the input area contains content (a newline character is, technically, valid content).
Good:
<textarea></textarea>
Bad:
<textarea>
</textarea>
Update (2020)
This is not true anymore, according to the HTML5 parsing spec:
If the next token is a U+000A LINE FEED (LF)...
How to run two jQuery animations simultaneously?
...
I believe I found the solution in the jQuery documentation:
Animates all paragraph to a left style
of 50 and opacity of 1 (opaque,
visible), completing the animation
within 500 milliseconds. It also will
do it outside the queue, meaning it
will automatically start without
waiting f...
Can you delete multiple branches in one command with Git?
...syntax. But you can do it like this:
git branch -D 3.2 3.2.1 3.2.2
Basically, git branch will delete multiple branch for you with a single invocation. Unfortunately it doesn't do branch name completion. Although, in bash, you can do:
git branch -D `git branch | grep -E '^3\.2\..*'`
...
How to search for a string in text files?
... if 'blabla' in f.read():
print("true")
Another trick: you can alleviate the possible memory problems by using mmap.mmap() to create a "string-like" object that uses the underlying file (instead of reading the whole file in memory):
import mmap
with open('example.txt') as f:
s = mm...
How to combine class and ID in CSS selector?
...
There are differences between #header .callout and #header.callout in css.
Here is the "plain English" of #header .callout:
Select all elements with the class name callout that are descendants of the element with an ID of header.
And #header.callout means:
Select...
Reorder / reset auto increment primary key
...
You could drop the primary key column and re-create it. All the ids should then be reassigned in order.
However this is probably a bad idea in most situations. If you have other tables that have foreign keys to this table then it will definitely not work.
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Two way sync with rsync
...
unison -auto dirA/ dirB/
unison -batch dirA/ dirB/ asks no questions at all, and writes to output how many files were ignored (because they conflicted).
share
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improve this answer
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tag in Twitter Bootstrap not functioning correctly?
... :
<hr style="border-top: 1px dotted #000000 !important; " />
for all <hr /> in your page
<style>
hr {
border-top: 1px dotted #000000 !important;
margin-bottom:5px !important;
margin-top:5px !important;
}
</style>
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How to visualize an XML schema? [closed]
I have made an XML Schema - all the code basically - and was wondering if there is a way that the code can generate something like this:
...