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Using scanf() in C++ programs is faster than using cin?
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Here's a quick test of a simple case: a program to read a list of numbers from standard input and XOR all of the numbers.
iostream version:
#include <iostream>
int main(int argc, char **argv) {
int parity = 0;
int x;
while ...
Best practice for localization and globalization of strings and labels [closed]
...e key's and value's.
For example:
var _ = document.webL10n.get;
alert(_('test'));
And here the JSON:
{ test: "blah blah" }
I believe using current popular libraries solutions is a good approach.
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str performance in python
... 7 RETURN_VALUE
Of course the above is true for the system I tested on (CPython 2.7); other implementations may differ.
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C#: Looping through lines of multiline string
...or whatever) is so common that it shouldn't require the calling code to be testing for null etc :) Having said that, if you do want to do a manual loop, this is the form that I typically prefer over Fredrik's:
using (StringReader reader = new StringReader(input))
{
string line;
while ((line...
Microsoft Excel mangles Diacritics in .csv files?
I am programmatically exporting data (using PHP 5.2) into a .csv test file.
Example data: Numéro 1 (note the accented e).
The data is utf-8 (no prepended BOM).
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How to get row from R data.frame
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#The vector your result should match
y<-c(A=5, B=4.25, C=4.5)
#Test that the items in the row match the vector you wanted
x[1,]==y
This page (from this useful site) has good information on indexing like this.
s...
Why does IE9 switch to compatibility mode on my website?
...=Edge"/>
or the HTTP header:
X-UA-Compatible: IE=Edge
to get the latest renderer whatever IE version is in use.
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How do I create a directory from within Emacs?
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C-x d *.py RET ; shows python source files in the CWD in `Dired` mode
+ test RET ; create `test` directory in the CWD
CWD stands for Current Working Directory.
or just create a new file with non-existing parent directories using C-x C-f and type:
M-x make-directory RET RET
Emacs asks to...
Remove the bottom divider of an android ListView
... work starting with 4.4.2. I can run literally the same app across my many test devices (ranging from 2.3.7 all the way up until 4.4.2) and KitKat is the only one where this seems to have no effect... Any ideas? I'm not adding a footer or header to my ListView and I've reproduced this on two devices...
Checking for NULL pointer in C/C++ [closed]
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In my experience, tests of the form if (ptr) or if (!ptr) are preferred. They do not depend on the definition of the symbol NULL. They do not expose the opportunity for the accidental assignment. And they are clear and succinct.
Edit: As Soa...