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What is the difference between “int” and “uint” / “long” and “ulong”?
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This is quite fun to work out by hand. A 32-bit signed variable uses 1 bit for the sign (positive or negative) so can store values between -2^31 and +2^31 - 1
– Jaco Pretorius
Sep 16 '10 at 8:29
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Regular Expression to find a string included between two characters while EXCLUDING the delimiters
...d Lookbehind Zero-Width Assertions. The pattern consists of:
is preceded by a [ that is not captured (lookbehind);
a non-greedy captured group. It's non-greedy to stop at the first ]; and
is followed by a ] that is not captured (lookahead).
Alternatively you can just capture what's between the s...
QString to char* conversion
I was trying to convert a QString to char* type by the following methods, but they don't seem to work.
10 Answers
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Which is faster: multiple single INSERTs or one multiple-row INSERT?
...-optimization.html
The time required for inserting a row is determined by the following factors, where the numbers indicate approximate proportions:
Connecting: (3)
Sending query to server: (2)
Parsing query: (2)
Inserting row: (1 × size of row)
Inserting indexes: (1 × number o...
ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
...oracle_user\product\12.1.0\dbhome_1\network\admin\listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = CLRExtProc)
(ORACLE_HOME = C:\app\oracle_user\product\12.1.0\dbhome_1)
(PROGRAM = extproc)
(ENVS = "EXTPROC...
AngularJS: disabling all form controls between submit and server response
...n't want to use JQuery (which is evil!!!) and query all elements as array (by class or attribute marker)
The ideas I had so far are:
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Escaping regex string
...c example, search any occurence of the provided string optionally followed by 's', and return the match object.
def simplistic_plural(word, text):
word_or_plural = re.escape(word) + 's?'
return re.match(word_or_plural, text)
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How to properly ignore exceptions
... otherwise you will have nightmares when hunting down trivial bugs, hidden by your generic "except"s. See dbr's answer for more info. (I know this was not the original question - but anyone looking for this will just take your snippet and use it as is)
– johndodo
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Is there a difference between “raise exception()” and “raise exception” without parenthesis?
...ion. If it is a class, the exception instance will be obtained when needed by instantiating the class with no arguments."
That said, even though the semantics are the same, the first form is microscopically faster, and the second form is more flexible (because you can pass it arguments if needed)....
Sublime Text 2 multiple line edit
... @MattDMo YES!! That's exactly what I was looking for. Do you by chance know the keyboard shortcut to selecting all them like that? I'll look around and see if I can find it.
– Syperus
Mar 1 '14 at 2:40
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