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What is the effect of encoding an image in base64?
...strings. For PNGs you often find repeated "A" chars. Using gzip (sometimes called "deflate"), there might be even a win on size. But it depends on image content.
Request overhead of HTTP1.1: Especially with a lot of cookies you can easily have a few kilobytes overhead per request. Embedding base64 i...
Java regex capturing groups indexes
...
In other regex flavors (PCRE, Perl), they can also be used in sub-routine calls.
You can access the text matched by certain group with Matcher.group(int group). The group numbers can be identified with the rule stated above.
In some regex flavors (PCRE, Perl), there is a branch reset feature whic...
Angularjs $q.all
...no block-level scope to save a reference to that object.
When asynchronous callbacks (success / error) are invoked, they reference only the last deferred object and only it gets resolved, so $q.all is never resolved because it still waits for other deferred objects.
What you need is to create an ano...
How to import data from mongodb to pandas?
..., query={}, host='localhost', port=27017, username=None, password=None, no_id=True):
""" Read from Mongo and Store into DataFrame """
# Connect to MongoDB
db = _connect_mongo(host=host, port=port, username=username, password=password, db=db)
# Make a query to the specific DB and Co...
How do I verify/check/test/validate my SSH passphrase?
...er passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /tmp/my_key.
Your public key has been saved in /tmp/my_key.pub.
The key fingerprint is:
de:24:1b:64:06:43:ca:76:ba:81:e5:f2:59:3b:81:fe rob@Robs-MacBook-Pro.local
The key's randomart image is:...
Can I split an already split hunk with git?
...ng I could just delete the - characters, and Git complained that my patch didn't apply.
– Ryan Lundy
Jul 29 '11 at 20:18
3
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What is the equivalent of “colspan” in an Android TableLayout?
I'm using a TableLayout in Android. Right now I have one TableRow with two items in it, and, below that, a TableRow with one item it it. It renders like this:
...
How may I align text to the left and text to the right in the same line?
...his text is right aligned
</span>
</p>
https://jsfiddle.net/gionaf/5z3ec48r/
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“x not in y” or “not x in y”
...tical in meaning, but the pycodestyle Python style guide checker (formerly called pep8) prefers the not in operator in rule E713:
E713: test for membership should be not in
See also "Python if x is not None or if not x is None?" for a very similar choice of style.
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How can I change the color of pagination dots of UIPageControl?
... on UIPageControl.
ORIGINAL ANSWER:
I ran into this problem today and decided to write my own simple replacement class.
It's a sublassed UIView that uses Core Graphics to render the dots in the colors you specify.
You use the exposed properties to customize and control it.
If you want to you c...