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How to use if - else structure in a batch file?
...eMoveDirectory%"
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Great batch file reference: http://ss64.com/nt/if.html
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Get the subdomain from a URL
... draft (last updated in Sept 2012) can now be reached here: tools.ietf.org/html/draft-pettersen-subtld-structure
– IMSoP
Sep 30 '13 at 22:00
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Determine the line of code that causes a segmentation fault?
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I find this useful: gnu.org/software/gcc/bugs/segfault.html
– Loves Probability
Dec 10 '16 at 5:25
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How can I see the specific value of the sql_mode?
...s are all documented here: dev.mysql.com/doc/refman/5.5/en/server-sql-mode.html. For example, here you can see which 7 modes comprise the ORACLE combination mode: dev.mysql.com/doc/refman/5.5/en/…
– Ike Walker
May 14 '12 at 22:02
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What is the difference between join and merge in Pandas?
...m the documentation at http://pandas.pydata.org/pandas-docs/stable/merging.html#database-style-dataframe-joining-merging:
merge is a function in the pandas namespace, and it is also
available as a DataFrame instance method, with the calling DataFrame
being implicitly considered the left obje...
Why are two different concepts both called “heap”?
...cerpted from http://www.cprogramming.com/tutorial/virtual_memory_and_heaps.html.
When new is invoked, it starts looking for a free memory block that fits the size for your request. Supposing that such a block of memory is found, it is marked as reserved and a pointer to that location is returned...
PostgreSQL function for last inserted ID
... / connection
http://www.postgresql.org/docs/8.3/static/functions-sequence.html
Run certain code every n seconds [duplicate]
...e with the rest of your code
https://docs.python.org/3/library/threading.html#timer-objects
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When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
.../static.springsource.org/spring-security/site/docs/3.0.x/reference/taglibs.html
To use any of the tags, you must have the security taglib declared in your JSP:
<%@ taglib prefix="security" uri="http://www.springframework.org/security/tags" %>
Then in a jsp page do something like this:
<...
How do I sort unicode strings alphabetically in Python?
...o algorithms are briefly summarized here: http://unicode.org/faq/collation.html#13. These are rather exotic special cases, which should rarely matter in practice.
>>> import icu # pip install PyICU
>>> sorted(['a','b','c','ä'])
['a', 'b', 'c', 'ä']
>>> collator = icu.Co...