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How to delete migration files in Rails 3
...rt DB changes due to this migration)
Run "rails destroy migration migration_name" (migration_name is the one use chose while creating migration. Remove "timestamp_" from your migration file name to get it)
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jQuery date formatting
...stion. It works well for me in a slightly different syntax/context:
var dt_to = $.datepicker.formatDate('yy-mm-dd', new Date());
If you decide to utilize datepicker from JQuery UI, make sure you use proper references in your document's < head > section:
<link rel="stylesheet" href="http...
Disable ALL CAPS menu items in Visual Studio 2013
...e\Microsoft\VisualStudio\12.0\General /v SuppressUppercaseConversion /t REG_DWORD /d 1
(as a single line).
Third Variant:
Change registry values by hand, open regedit and navigate to
HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\12.0\General
then, create (right click):
DWORD value
with t...
Floating point vs integer calculations on modern hardware
...
Poor man's FPU/ALU operation benchmark:
#include <stdio.h>
#ifdef _WIN32
#include <sys/timeb.h>
#else
#include <sys/time.h>
#endif
#include <time.h>
#include <cstdlib>
double
mygettime(void) {
# ifdef _WIN32
struct _timeb tb;
_ftime(&tb);
return (double)tb...
find() with nil when there are no records
...
Yes, just do:
Challenge.find_by_id(10)
For Rails 4 and 5:
Challenge.find_by(id: 10)
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Could not load NIB in bundle
...wered Jun 17 '11 at 0:08
creator_11creator_11
70111 gold badge66 silver badges1111 bronze badges
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Convert string with commas to array
...ols: like e.g. "0,s" any ideas how to fix that?
– sqp_125
Aug 31 '17 at 12:48
1
@sqp_125 try 0,'s...
How to open every file in a folder?
... answered Aug 16 '13 at 13:15
le_vinele_vine
90655 silver badges1414 bronze badges
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Converting JavaScript object with numeric keys into array
... own loop [which would not be that complex!], or you rely on underscore.js _.toArray() method:
var obj = {"0":"1","1":"2","2":"3","3":"4"};
var yourArray = _(obj).toArray();
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Reducing the space between sections of the UITableView
...
Why not use CGFLOAT_MIN? It's made for these kind of scenarios :)
– Andrei Filip
May 11 '15 at 9:38
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