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How to initialize a dict with keys from a list and empty value in Python?
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dict.fromkeys([1, 2, 3, 4])
This is actually a classmethod, so it works for dict-subclasses (like collections.defaultdict) as well. The optional second argument specifies the value to use for the keys (defaults to None.)
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Get first n characters of a string
...ngths on trimmed and untrimmed strings):
$string = (strlen($string) > 13) ? substr($string,0,10).'...' : $string;
So you will get a string of max 13 characters; either 13 (or less) normal characters or 10 characters followed by '...'
Update 2:
Or as function:
function truncate($string, $len...
setting multiple column using one update
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344
Just add parameters, split by comma:
UPDATE tablename SET column1 = "value1", column2 = "val...
Change the font of a UIBarButtonItem
... forState:(UIControlState)state
but this is for iOS5 only. For iOS 3/4, you will have to use a custom view.
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Can someone explain collection_select to me in clear, simple terms?
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306
collection_select(
:post, # field namespace
:author_id, # field name
# result of ...
Difference between adjustResize and adjustPan in android?
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243
From the Android Developer Site link
"adjustResize"
The activity's main window is always resize...
CharSequence VS String in Java?
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344
Strings are CharSequences, so you can just use Strings and not worry. Android is merely trying...
Remove leading or trailing spaces in an entire column of data
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133
If you would like to use a formula, the TRIM function will do exactly what you're looking for:
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How does “304 Not Modified” work exactly?
...he If-Modified-Since or If-None-Match header, telling the server to send a 304 if the content still has that date or ETag.
The server needs some way of calculating a date-modified or ETag for each version of each resource; this typically comes from the filesystem or a separate database column.
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How to parse the AndroidManifest.xml file inside an .apk package
...est.xml
– Ehtesh Choudhury
Apr 25 '13 at 0:09
minSdkVersion and other version parameters can also be found in Gmail/ap...
