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Is multiplication and division using shift operators in C actually faster?
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@Ivan: And "(hi << 8) | lo" is even more clear. Setting the low bits of a bit array is not addition of integers. It is setting bits, so write the code that sets bits.
– Eric Lippert
Jun 16 '11 at 6:59
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Is it possible to change the radio button icon in an android radio button group
I am wanting to allow the user of my android application the ability to set some parameters. The radio button is ideal for this situation. However, I don't like the radio buttons are rendered.
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How do I see the commit differences between branches in git?
...our branches differ with this
git log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr)%Creset' --abbrev-commit --date=relative master..branch-X
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What's the best practice using a settings file in Python? [closed]
... to change config for a more privileged program is probably a questionable setup anyway.
– XTL
Dec 12 '12 at 13:36
20
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Regex Email validation
...Compiled | RegexOptions.IgnoreCase | RegexOptions.ExplicitCapture;
// Set explicit regex match timeout, sufficient enough for email parsing
// Unless the global REGEX_DEFAULT_MATCH_TIMEOUT is already set
TimeSpan matchTimeout = TimeSpan.FromSeconds(2);
try
{
if (AppDoma...
What is the most efficient way to loop through dataframes with pandas? [duplicate]
I want to perform my own complex operations on financial data in dataframes in a sequential manner.
10 Answers
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Python name mangling
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@property
def age(self):
return self._age
@age.setter
def age(self, age):
if age >= 0:
self._age = age
else:
self._age = 0
What about the double underscore? Well, the double underscore magic is used mainly to avoid ac...
Equivalent of LIMIT and OFFSET for SQL Server?
In PostgreSQL there is the Limit and Offset keywords which will allow very easy pagination of result sets.
16 Answers
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Why do I get an UnsupportedOperationException when trying to remove an element from a List?
... I just tried creating an unmodifiableList wrapper and trying a set; it throws UnsupportedOperationException. I'm quite certain Collections.unmodifiable* really means full immutability, not just structural.
– polygenelubricants
Jun 3 '10 at 12:31
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How to read data from a zip file without having to unzip the entire file
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