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How to append a char to a std::string?
...
I test the several propositions by running them into a large loop.
I used microsoft visual studio 2015 as compiler and my processor is an i7, 8Hz, 2GHz.
long start = clock();
int a = 0;
//100000000
std::string ...
How could the UNIX sort command sort a very large file?
..._PER_CHUNK lines
echo and each chunk will be sorted in parallel
}
# test if we have two arguments on the command line
if [ $# != 2 ]
then
usage
exit
fi
#Cleanup any lefover files
rm -f $SORTED_CHUNK_FILES > /dev/null
rm -f $CHUNK_FILE_PREFIX* > /dev/null
rm -f $SORTED_FILE
#Sp...
Validating with an XML schema in Python
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lxml provides etree.DTD
from the tests on http://lxml.de/api/lxml.tests.test_dtd-pysrc.html
...
root = etree.XML(_bytes("<b/>"))
dtd = etree.DTD(BytesIO("<!ELEMENT b EMPTY>"))
self.assert_(dtd.validate(root))
...
How to get “wc -l” to print just the number of lines without file name?
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@user: Test it. By far the slowest part will be reading the file off disk.
– sarnold
Apr 19 '12 at 23:44
11
...
Loading local JSON file
...
$.getJSON is asynchronous so you should do:
$.getJSON("test.json", function(json) {
console.log(json); // this will show the info it in firebug console
});
share
|
improve t...
How do I get a file name from a full path with PHP?
...ple, you can do this:
<?php
$xmlFile = pathinfo('/usr/admin/config/test.xml');
function filePathParts($arg1) {
echo $arg1['dirname'], "\n";
echo $arg1['basename'], "\n";
echo $arg1['extension'], "\n";
echo $arg1['filename'], "\n";
}
filePathParts...
dispatch_after - GCD in Swift?
...R_SEC)))
dispatch_after(delayTime, dispatch_get_main_queue()) {
print("test")
}
EDIT:
I recommend using @matt's really nice delay function.
EDIT 2:
In Swift 3, there will be new wrappers for GCD. See here: https://github.com/apple/swift-evolution/blob/master/proposals/0088-libdispatch-for-s...
Passing arguments to C# generic new() of templated type
... question, but new answer ;-)
The ExpressionTree version: (I think the fastests and cleanest solution)
Like Welly Tambunan said, "we could also use expression tree to build the object"
This will generate a 'constructor' (function) for the type/parameters given. It returns a delegate and accept th...
How to create an empty file at the command line in Windows?
... on a mapped drive
Nomad mentions an original one:
C:\Users\VonC\prog\tests>aaaa > empty_file
'aaaa' is not recognized as an internal or external command, operable program or batch file.
C:\Users\VonC\prog\tests>dir
Folder C:\Users\VonC\prog\tests
27/11/2013 10:40 <REP> ...
When to use StringBuilder in Java [duplicate]
...ts anymore, but actually fairly complicated constructs. I just did several test cases on real-life code, and I actually don't find any situation where it doesn't use StringBuilders internally. Quite nice.
– haylem
Mar 17 '11 at 12:05
...