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Is it safe to delete a NULL pointer?
...n ownership rules, lock free structures are provably more robust than lock based ones. And yes, my co-workers do indeed love me for the enhanced execution profile these structures provide and the rigorous thread safety they maintain, which allow easier to reason about code (great for maintenance). H...
Creating a new empty branch for a new project
...
On base this answer from Hiery Nomus.
You can create a branch as an orphan:
git checkout --orphan <branchname>
This will create a new branch with no parents. Then, you can clear the working directory with:
git rm --ca...
Insert html in a handlebar template without escaping
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Migration: Cannot add foreign key constraint
...p; bigIncrements
Example
Let's imagine you are building a simple role-based application, and you need to references user_id in the PIVOT table "role_user".
2019_05_05_112458_create_users_table.php
// ...
public function up()
{
Schema::create('users', function (Blueprint $table) {
...
Get the real width and height of an image with JavaScript? (in Safari/Chrome)
...(){
var img = this;
setTimeout(function(){
// do something based on img.width and/or img.height
}, 0);
});
I can't speak as to why the onload event is firing even when the image is loaded from the cache (improvement of jQuery 1.4/1.5?) — but if you are still experiencing this...
Passing a URL with brackets to curl
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Multi-line regex support in Vim
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Large, persistent DataFrame in pandas
...f the CSV files in a for-loop approach and add them e.g., to an SQLite database step by step:
import pandas as pd
import sqlite3
from pandas.io import sql
import subprocess
# In and output file paths
in_csv = '../data/my_large.csv'
out_sqlite = '../data/my.sqlite'
table_name = 'my_table' # name f...
How do you specify command line arguments in Xcode 4?
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Is it possible to make a Tree View with Angular?
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I have created a simple re-usable tree control (directive) for AngularJS based on a Bootstrap "nav" list. I added extra indentation, icons, and animation. HTML attributes are used for configuration.
It does not use recursion.
I called it angular-bootstrap-nav-tree ( catchy name, don't you thin...