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How can I filter lines on load in Pandas read_csv function?
...lution is to hard-code the range of rows. Simply combine skiprows=range(1, start_row) with nrows=end_row parameters. Then the import takes seconds where the accepted solution would take minutes. A few experiments with the initial start_row are not a huge cost given the savings on import times. Notic...
How to trigger XDebug profiler for a command line PHP script?
...is from the query string in the url of the page netbeans launches when you start debugging) the command is: export XDEBUG_CONFIG="idekey=netbeans-xdebug"
Then it's simply a case of starting debugging in netbeans and doing "php myscript.php" at the command line.
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Return positions of a regex match() in Javascript?
Is there a way to retrieve the (starting) character positions inside a string of the results of a regex match() in Javascript?
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Ensure that HttpConfiguration.EnsureInitialized()
...low for the correct way to handle this now.
At the end of the Application_Start method in Global.Asax.cs try adding:-
GlobalConfiguration.Configuration.EnsureInitialized();
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Absolute vs relative URLs
...tp://foo/bar/baz) (and optionally port, userinfo and port).
Relative urls start with a path.
Absolute urls are, well, absolute: the location of the resource can be resolved looking only at the url itself. A relative url is in a sense incomplete: to resolve it, you need the scheme and hostname, a...
How do I view 'git diff' output with my preferred diff tool/ viewer?
...ginally proposed in September 2008:
USAGE='[--tool=tool] [--commit=ref] [--start=ref --end=ref] [--no-prompt] [file to merge]'
(See --extcmd in the last part of this answer)
$LOCAL contains the contents of the file from the starting revision and $REMOTE contains the contents of the file in the endin...
How to get a list of installed android applications and pick one to run
...ainIntent, 0);
You will get all the necessary data in the ResolveInfo to start a application. You can check ResolveInfo javadoc here.
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How to set up a PostgreSQL database in Django
...g2 back end and avoided specifying port number as it change every time you start pgAdmin on windows
– Mustapha-Belkacim
Aug 1 '19 at 21:35
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Do you get charged for a 'stopped' instance on EC2? [closed]
... we do charge for the storage for any Amazon EBS volumes.... Each time you start a stopped instance we charge a full instance hour, even if you make this transition multiple times within a single hour.... As soon as the state of an instance changes to shutting-down or terminated, we stop charging fo...
Is DateTime.Now the best way to measure a function's performance?
...s not. Use the Stopwatch (in System.Diagnostics)
Stopwatch sw = Stopwatch.StartNew();
PerformWork();
sw.Stop();
Console.WriteLine("Time taken: {0}ms", sw.Elapsed.TotalMilliseconds);
Stopwatch automatically checks for the existence of high-precision timers.
It is worth mentioning that DateTime.N...