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How do I write a “tab” in Python?
... code:
f = open(filename, 'w')
f.write("hello\talex")
The \t inside the string is the escape sequence for the horizontal tabulation.
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Arrays vs Vectors: Introductory Similarities and Differences [closed]
..., library, operating system). Some APIs will have entry points like strcat(char * dst, char * src), where the dst and src are treated as arrays of characters (even though the function signature implies pointers to characters).
– John Källén
Feb 26 '13 at 0:33...
Combining node.js and Python
... I would use Unix sockets if both processes run on the same server and TCP/IP sockets otherwise. For marshaling protocol I would take JSON or protocol buffer. If threaded Python shows up to be a bottleneck, consider using Twisted Python, which
provides the same event driven concurrency as do node.js...
What are the differences between type() and isinstance()?
...omething else (using the argument "as if" it was of some other type).
basestring is, however, quite a special case—a builtin type that exists only to let you use isinstance (both str and unicode subclass basestring). Strings are sequences (you could loop over them, index them, slice them, ...), b...
Simulate delayed and dropped packets on Linux
...ke a normal distribution to describe the variation in delay. The netem discipline can take a table to specify a non-uniform distribution.
# tc qdisc change dev eth0 root netem delay 100ms 20ms distribution normal
The actual tables (normal, pareto, paretonormal) are generated as part of the ip...
HTML-encoding lost when attribute read from input field
...ferenced here: Fastest method to replace all instances of a character in a string)
Some performance results here:
http://jsperf.com/htmlencoderegex/25
It gives identical result string to the builtin replace chains above. I'd be very happy if someone could explain why it's faster!?
Update 2015-03-0...
When is a C++ destructor called?
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I think Foo myfoo("foo") is not Most Vexing Parse, but char * foo = "foo"; Foo myfoo(foo); is.
– Cosine
May 13 '14 at 0:58
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Correct use of Multimapping in Dapper
...not CustomerId, CustomerName, since Dapper doesn't Trim the results of the string split. It will just throw the generic spliton error. Drove me crazy one day.
– jes
Aug 29 '13 at 16:12
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Remove Trailing Spaces and Update in Columns in SQL Server
...('Amit Tech Corp '))
LTRIM - removes any leading spaces from left side of string
RTRIM - removes any spaces from right
Ex:
update table set CompanyName = LTRIM(RTRIM(CompanyName))
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String comparison: InvariantCultureIgnoreCase vs OrdinalIgnoreCase? [duplicate]
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If you really want to match only the dot, then StringComparison.Ordinal would be fastest, as there is no case-difference.
"Ordinal" doesn't use culture and/or casing rules that are not applicable anyway on a symbol like a ..
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