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Is there documentation for the Rails column types?
...
11
From Rails master branch source code I found:
abstract mysql_adapter
#activerecord/lib/ac...
Purpose of Python's __repr__
...ect.__repr__
– S.Lott
Dec 31 '09 at 11:19
1
This should maybe use %r instead of %s: stackoverflow...
What exactly does += do in python?
...ited Oct 6 '17 at 20:56
user2357112 supports Monica
200k2020 gold badges287287 silver badges373373 bronze badges
answered Jan 30 '11 at 20:31
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What is the LD_PRELOAD trick?
...ibrary (including the C runtime, libc.so). So to run ls with your special malloc() implementation, do this:
$ LD_PRELOAD=/path/to/my/malloc.so /bin/ls
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Why can I access private variables in the copy constructor?
...venient.
– Tony Delroy
Feb 6 '18 at 11:15
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Latest jQuery version on Google's CDN
...this file, as well as the minified copy, keeping both files
at version 1.11.1 forever.
The Google CDN team has joined us in this effort to prevent
inadvertent web breakage and no longer updates the file at
http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.js. That file
will stay lock...
How to find if a native DLL file is compiled as x64 or x86?
...
You can use DUMPBIN too. Use the /headers or /all flag and its the first file header listed.
dumpbin /headers cv210.dll
64-bit
Microsoft (R) COFF/PE Dumper Version 10.00.30319.01
Copyright (C) Microsoft Corporation. All rights reserved.
Dump of file cv210.dll
PE ...
What are the Dangers of Method Swizzling in Objective-C?
...
I think this is a really great question, and it's a shame that rather than tackling the real question, most answers have skirted the issue and simply said not to use swizzling.
Using method sizzling is like using sharp knives in the kitchen. So...
What is the logic behind the “using” keyword in C++?
...
In C++11, the using keyword when used for type alias is identical to typedef.
7.1.3.2
A typedef-name can also be introduced by an alias-declaration. The
identifier following the using keyword becomes a typedef-name and the
optiona...
Find out whether Chrome console is open
... answer. This solution takes advantage of the fact that toString() is not called on logged objects unless the console is open.
var devtools = /./;
devtools.toString = function() {
if (!this.opened) {
alert("Opened");
}
this.opened = true;
}
console.log('%c', devtools);
// devtools.ope...