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Benchmarking small code samples in C#, can this implementation be improved?
...iseconds;
}
Make sure you compile in Release with optimizations enabled, and run the tests outside of Visual Studio. This last part is important because the JIT stints its optimizations with a debugger attached, even in Release mode.
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Purging file from Git repo failed, unable to create new backup
...You can find those in .git/refs/original/…. Either delete that directory and all files within, or use the -f flag to force Git to delete the old references.
git filter-branch -f \
--index-filter 'git rm --cached --ignore-unmatch Rakefile' HEAD
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“unary operator expected” error in Bash if condition
...it's much easier to always use the double bracket conditional compound command [[ ... ]], instead of the Posix-compatible single bracket version [ ... ]. Inside a [[ ... ]] compound, word-splitting and pathname expansion are not applied to words, so you can rely on
if [[ $aug1 == "and" ]];
to co...
How to get the mysql table columns data type?
...DATA_TYPE FROM INFORMATION_SCHEMA.COLUMNS
WHERE table_name = 'tbl_name' AND COLUMN_NAME = 'col_name';
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Create Pandas DataFrame from a string
... to do this is to use StringIO.StringIO (python2) or io.StringIO (python3) and pass that to the pandas.read_csv function. E.g:
import sys
if sys.version_info[0] < 3:
from StringIO import StringIO
else:
from io import StringIO
import pandas as pd
TESTDATA = StringIO("""col1;col2;col3
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MySQL LIKE IN()?
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Over 1 million rows in my table. REGEX arround 0.0009 and LIKE arround 0.0005. If more then 5 REGEX, arround 0.0012...
– David Bélanger
Nov 26 '11 at 5:24
11
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How do I handle ImeOptions' done button click?
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I ended up with a combination of Roberts and chirags answers:
((EditText)findViewById(R.id.search_field)).setOnEditorActionListener(
new EditText.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent e...
Reopen last closed tab in Visual Studio
...last closed tab in Visual Studio? Similar to Ctrl + Shift + t in FireFox and Chrome?
8 Answers
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How can I reorder my divs using only CSS?
... in that order in the HTML? Both div s contain data that varies in height and width.
24 Answers
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Difference between C++03 throw() specifier C++11 noexcept
Is there any difference between throw() and noexcept other than being checked at runtime and compile time, respectively?
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