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Error on renaming database in SQL Server 2008 R2
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32
In SQL Server Management Studio (SSMS):
You can also right click your database in the Object E...
How to remove extension from string (only real extension!)
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Timo Huovinen
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answered Mar 7 '10 at 10:20
nickfnickf
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Capturing Groups From a Grep RegEx
...e using Bash, you don't even have to use grep:
files="*.jpg"
regex="[0-9]+_([a-z]+)_[0-9a-z]*"
for f in $files # unquoted in order to allow the glob to expand
do
if [[ $f =~ $regex ]]
then
name="${BASH_REMATCH[1]}"
echo "${name}.jpg" # concatenate strings
name=...
Output array to CSV in Ruby
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Dylan MarkowDylan Markow
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Pandoc markdown page break
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tarlebtarleb
10.6k44 gold badges3232 silver badges6262 bronze badges
8
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Why doesn't delete set the pointer to NULL?
I always wondered why automatic setting of the pointer to NULL after delete is not part of the standard. If this gets taken care of then many of the crashes due to an invalid pointer would not occur. But having said that I can think of couple of reasons why the standard would have restricted this:...
How to make my custom type to work with “range-based for loops”?
...C++ standard, is specified to expand to something equivalent to:
for( range_declaration : range_expression )
becomes:
{
auto && __range = range_expression ;
for (auto __begin = begin_expr,
__end = end_expr;
__begin != __end; ++__begin) {
range_declaration = *...
Multiple returns from a function
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JasperJasper
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2
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c++11 Return value optimization or move? [duplicate]
I don't understand when I should use std::move and when I should let the compiler optimize... for example:
4 Answers
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Dump a NumPy array into a csv file
...o it properly.
For example, if you have a numpy array with dtype = np.int32 as
narr = np.array([[1,2],
[3,4],
[5,6]], dtype=np.int32)
and want to save using savetxt as
np.savetxt('values.csv', narr, delimiter=",")
It will store the data in floating point ...