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Why is #!/usr/bin/env bash superior to #!/bin/bash?
...ven seen one enterprising individual suggest using #!/bin/bash was wrong and bash functionality would be lost by doing so.
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Get the Row(s) which have the max count in groups using groupby
How do I find all rows in a pandas dataframe which have the max value for count column, after grouping by ['Sp','Mt'] columns?
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How to do scanf for single char in C [duplicate]
In C:
I'm trying to get char from the user with scanf and when I run it the program don't wait for the user to type anything...
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Convert InputStream to byte array in Java
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You can use Apache Commons IO to handle this and similar tasks.
The IOUtils type has a static method to read an InputStream and return a byte[].
InputStream is;
byte[] bytes = IOUtils.toByteArray(is);
Internally this creates a ByteArrayOutputStream and co...
What's the point of g++ -Wreorder?
...hat somebody might see the list of member initialisers in the constructor, and think that they're executed in that order (j first, then i). They are not, they are executed in the order the members are defined in the class.
Suppose you wrote A(): j(0), i(j) {}. Somebody might read that, and think th...
How to count items in a Go map?
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Use len(m). From http://golang.org/ref/spec#Length_and_capacity
len(s) string type string length in bytes
[n]T, *[n]T array length (== n)
[]T slice length
map[K]T map length (number of defined keys)
c...
Python: How to create a unique file name?
I have a python web form with two options - File upload and textarea . I need to take the values from each and pass them to another command-line program. I can easily pass the file name with file upload options, but I am not sure how to pass the value of the textarea.
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How can I write text on a HTML5 canvas element?
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Is there any way to get the font width and size so we can center it? (Dynamic content)
– Oliver Dixon
Dec 30 '14 at 2:20
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Migration: Cannot add foreign key constraint
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Add it in two steps, and it's good to make it unsigned too:
public function up()
{
Schema::create('priorities', function($table) {
$table->increments('id', true);
$table->integer('user_id')->unsigned();
$tabl...
How can I show the name of branches in `git log`?
...ecent commit of the branch (the tip). All commits in the history are equal and anonymous. If you want named branches so that every commit carries the branch name, you can use Mercurial.
– Sampo Smolander
Jul 25 '13 at 7:11
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