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How to use a variable inside a regular expression?
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This only works because we are using a raw-string (the regex is preceded by 'r'), otherwise we must write "\\\\boundary" in the regex (four backslashes). Additionally, without '\r', \b' would not converted to a word boundary anymore but to a backspace!
re.escape:
Basically puts a backspace in fr...
Java Persistence / JPA: @Column vs @Basic
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@Basic(optional) is (should be) checked on runtime by persistence provider before saving to DB. @Column is a column definition in database and is used for schema generation : stackoverflow.com/questions/2899073/…
– Piotr Gwiazda
Jun 16...
How to un-escape a backslash-escaped string?
...dy the case; this is the correct answer when the str is a repr of a str or bytes object as in the OP's case; the unicode-escape codec answer is for when it's not a repr, but some other form of escaped text (not surrounded by quotes as part of the string data itself).
– ShadowRa...
How to execute file I'm editing in Vi(m)
...output to a split window. Use :copen to open up the "error list" produced by running :make.in its own window. Unfortunately, to get the output to be formatted properly, some finagling of the errorformat option is necessary. Otherwise output will be presumed to be of the format gcc puts out.
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Very large matrices using Python and NumPy
...ry fast; my 5 year old laptop can crunch through data doing SQL-like GROUP BY aggregation at 1,000,000 rows/second. Not bad for a Python-based solution!
Accessing the data as a NumPy recarray again is as simple as:
data = table[row_from:row_to]
The HDF library takes care of reading in the releva...
Resharper Alt Enter not working
... of reinstalling ReSharper after the VS reset, you might be able to fix it by going into the ReSharper options and do "Environment -> General -> Visual Studio Integration -> Apply". This will reset the shortcut keys for ReSharper.
– Josh Close
Oct 21 '...
What is the recommended way to delete a large number of items from DynamoDB?
...ed; I can imagine advanced operations like these might get added over time by the AWS team (they have a history of starting with a limited feature set first and evaluate extensions based on customer feedback), but here is what you should do to avoid the cost of a full scan at least:
Use Query rath...
Adding custom radio buttons in android
... i got the functionality done ... But the button name is being overwritten by the select option ..... how to remove that ... keeping the functionality intact .... All i am trying to achieve as i showed in my question ... Any further directions ! [Note:: please look at the updated question]
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How do you sign a Certificate Signing Request with your Certification Authority?
... it with your CA.
You are almost ready to sign the server's certificate by your CA. The CA's openssl-ca.cnf needs two more sections before issuing the command.
First, open openssl-ca.cnf and add the following two sections.
####################################################################
[ s...
How can I convert a Unix timestamp to DateTime and vice versa?
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Time in Windows is handled by HAL and only close-to-accurate within 1ms to 15ms. More info is available in Windows Internals around page 112, if anyone is interested.
– Jim Schubert
Apr 13 '12 at 14:59
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