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How to remove local (untracked) files from the current Git working tree
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git-clean - Remove untracked files from the working tree
Synopsis
git clean [-d] [-f] [-i] [-n] [-q] [-e <pattern>] [-x | -X] [--] <path>…
Description
Cleans the working tree by recursively re...
What is the difference between include and require in Ruby?
...at include
does in most other programming
languages: run another file. It also
tracks what you've required in the
past and won't require the same file
twice. To run another file without
this added functionality, you can use
the load method.
The include method takes all the
metho...
Why does integer division in C# return an integer and not a float?
...division in C# returns an integer and not a float?
What is the idea behind it? (Is it only a legacy of C/C++?)
7 Answers
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String literals: Where do they go?
I am interested in where string literals get allocated/stored.
8 Answers
8
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What is the difference between a schema and a table and a database?
...blike (or worse) question. But I've always viewed a schema as a table definition in a database. This is wrong or not entirely correct. I don't remember much from my database courses.
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What do people find difficult about C pointers? [closed]
From the number of questions posted here, it's clear that people have some pretty fundemental issues when getting their heads around pointers and pointer arithmetic.
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Java8: Why is it forbidden to define a default method for a method from java.lang.Object
...ult methods are a nice new tool in our Java toolbox. However, I tried to write an interface that defines a default version of the toString method. Java tells me that this is forbidden, since methods declared in java.lang.Object may not be default ed. Why is this the case?
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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...
What integer hash function are good that accepts an integer hash key?
...e order of your hash size (2^32 in the example) and has no common factors with it. This way the hash function covers all your hash space uniformly.
Edit: The biggest disadvantage of this hash function is that it preserves divisibility, so if your integers are all divisible by 2 or by 4 (which is no...
How exactly does the callstack work?
...operations of programming languages work and especially how they interact with the OS/CPU. I've probably read every answer in every stack/heap related thread here on Stack Overflow, and they are all brilliant. But there is still one thing that I didn't fully understand yet.
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