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Rails migration for change column
...). If it starts with "add" or "remove" then the migration will be automatically populated with code to add or remove columns, which saves you writing that code yourself.
– Alex Korban
Oct 26 '11 at 19:35
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Visual Studio Copy Project
...rget to delete svn files if you have any (i did!) --> weblogs.asp.net/jgalloway/archive/2007/02/24/…
– qbantek
Jan 16 '12 at 17:14
51
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@property retain, assign, copy, nonatomic in Objective-C
...gners opted for the safer of the two solutions. In fact nonatomic is generally the better choice as it omits extremely expensive thread locks. The only reason to use atomic is if your property might be set from multiple threads (in which case omitting it can lead to an over-release or a leak).
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git replacing LF with CRLF
...ons transparently. And it does!
Bad news: value needs to be configured manually.
Good news: it should only be done ONE time per git installation (per project setting is also possible).
How autocrlf works:
core.autocrlf=true: core.autocrlf=input: core.autocrlf=false:
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Recursive search and replace in text files on Mac and Linux
...the linux shell, the following command will recursively search and replace all instances of 'this' with 'that' (I don't have a Linux shell in front of me, but it should do).
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With Mercurial, how can I “compress” a series of changesets into one before pushing?
... out the hg wiki on the rebase command. Since this question is the 3rd overall search result and the first on stackoverflow I thought that info might be useful.
– a.peganz
Oct 2 '15 at 13:33
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How to change Status Bar text color in iOS
...lightContent
}
Swift 5 and SwiftUI
For SwiftUI create a new swift file called HostingController.swift
import Foundation
import UIKit
import SwiftUI
class HostingController: UIHostingController<ContentView> {
override var preferredStatusBarStyle: UIStatusBarStyle {
return .ligh...
setTimeout in for-loop does not print consecutive values [duplicate]
...vident over the fact that setting up a few timeouts causes the handlers to all fire at the same time. It's important to understand that the process of setting up the timer — the calls to setTimeout() — take almost no time at all. That is, telling the system, "Please call this function after 1000...
I can not find my.cnf on my windows computer [duplicate]
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To answer your question, on Windows, the my.cnf file may be called my.ini. MySQL looks for it in the following locations (in this order):
%PROGRAMDATA%\MySQL\MySQL Server 5.7\my.ini, %PROGRAMDATA%\MySQL\MySQL Server 5.7\my.cnf
%WINDIR%\my.ini, %WINDIR%\my.cnf
C:\my.ini, C:\my.cnf
IN...
What is the difference between int, Int16, Int32 and Int64?
...al, on modern computers, an int16 takes as much space as an int32 (and actually an int64) because in order for most operations to be efficient, we pad around the data to make accesses aligned to 32 or 64 bit boundaries (in 32 or 64 bit modes respectively). This is because unaligned accesses are ridi...