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Checking whether a variable is an integer or not [duplicate]
...objects with the necessary and sufficient attributes, but you will have to read the docs on how to use it.
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PHP - Modify current object in foreach loop
...ptimising a bit of the call->wait cycle. Most importantly my code would read well to someone from any language with a degree of competence and we don't run into mutability problems.
<?php
$arr = [0,1,2,3,4];
$arr2 = array_map(function($value) { return is_int($value) ? $value*2 : $value; }, $...
Android: create a popup that has multiple selection options
...
Note : this example not is multiple, read again tittle from post :)
– user3402040
Jun 23 '15 at 10:54
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How to change MySQL data directory?
... Apparmor is not relevant on CentOS. There's SELinux instead. Can read on how to disable or manage here blogs.oracle.com/jsmyth/entry/selinux_and_mysql
– Noam
May 8 '14 at 7:09
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What is the worst gotcha in C# or .NET? [closed]
...hods, leading to nasty situations like this:
using System;
using System.Threading;
class Test
{
static void Main()
{
for (int i=0; i < 10; i++)
{
ThreadStart ts = delegate { Console.WriteLine(i); };
new Thread(ts).Start();
}
}
}
What...
Efficient way to insert a number into a sorted array of numbers?
...rom TimSort Wikipedia: "In the best case, which occurs when the input is already sorted, [TimSort] runs in linear time".
– poshest
Feb 5 at 11:40
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Rails Model, View, Controller, and Helper: what goes where?
...de in a Helper. Lots of Ruby code in a View makes the pages markup hard to read.
Model: Your model should be where all your code that relates to your data (the entities that make up your site e.g. Users, Post, Accounts, Friends etc.) lives. If code needs to save, update or summarise data related ...
How Can I Set the Default Value of a Timestamp Column to the Current Timestamp with Laravel Migratio
...ollowed by commit 15c487fe) leaded to this addition.
You may also want to read issues 3602 and 11518 which are of interest.
Basically, MySQL 5.7 (with default config) requires you to define either a default value or nullable for time fields.
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How to step through Python code to help debug issues?
...ar from perfect and completely rudimentary if compared to GDB, but it is already a huge improvement over pdb.
Usage is analogous to pdb, just install it with:
python3 -m pip install --user ipdb
and then add to the line you want to step debug from:
__import__('ipdb').set_trace(context=21)
You ...
How to create a fixed-size array of objects
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This question has already been answered, but for some extra information at the time of Swift 4:
In case of performance, you should reserve memory for the array, in case of dynamically creating it, such as adding elements with Array.append().
v...