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Efficient way to remove keys with empty strings from a dict
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Python 2.X
dict((k, v) for k, v in metadata.iteritems() if v)
Python 2.7 - 3.X
{k: v for k, v in metadata.items() if v is not None}
Note that all of your keys have values. It's just that some of those values are the empty string. There's no such thing...
Converting stream of int's to char's in java
...enient to call read(char[], int, int) to read a whole block of text at a time. Don't forget to check the return value though, to see how many characters have been read.
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getting type T from IEnumerable
is there a way to retrieve type T from IEnumerable<T> through reflection?
13 Answers
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How to do a case sensitive search in WHERE clause (I'm using SQL Server)?
...lt it is case insensitive.
Excerpt from the link:
SELECT 1
FROM dbo.Customers
WHERE CustID = @CustID COLLATE SQL_Latin1_General_CP1_CS_AS
AND CustPassword = @CustPassword COLLATE SQL_Latin1_General_CP1_CS_AS
Or, change the columns to be case sensitive.
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Min/Max of dates in an array?
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Code is tested with IE,FF,Chrome and works properly:
var dates=[];
dates.push(new Date("2011/06/25"))
dates.push(new Date("2011/06/26"))
dates.push(new Date("2011/06/27"))
dates.push(new Date("2011/06/28"))
var maxDate=new Date(Math.max.apply(null,dates)...
Print PHP Call Stack
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this regularly makes my php run out of memory. I recommend Tobiasz' solution.
– peedee
Jul 16 '15 at 9:19
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Is it possible to embed animated GIFs in PDFs?
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I haven't tested it but apparently you can add quicktime animations to a pdf (no idea why). So the solution would be to export the animated gif to quicktime and add it to the pdf.
Here the solution that apparently works:
Open the GIF in Quicktime and save as MOV (Apparently i...
Is there a portable way to get the current username in Python?
Is there a portable way to get the current user's username in Python (i.e., one that works under both Linux and Windows, at least). It would work like os.getuid :
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Split string in Lua?
...i] = str and then you don't need i=1 or i = i +1
– James Newton
Apr 21 '15 at 0:27
2
Doesn't work...
Selenium: FirefoxProfile exception Can't load the profile
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Update:
Selenium team fixed in latest version. For almost all environments the fix is:
pip install -U selenium
Unclear at which version it was fixed (apparently r13122), but certainly by 2.26.0 (current at time of update) it is fixed.
This error means that _wait_until_connectable is ...