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Calendar returns wrong month [duplicate]
...ts with 0.
Here's a tip: you should be using SimpleDateFormat to get the String-representation of the month:
Calendar rightNow = Calendar.getInstance();
java.text.SimpleDateFormat df1 = new java.text.SimpleDateFormat("MM");
java.text.SimpleDateFormat df2 = new java.text.SimpleDateFormat("MMM");
j...
scale Image in an UIButton to AspectFit?
...CPU cycles.
This is the category I'm using to scale an image :
UIImage+Extra.h
@interface UIImage (Extras)
- (UIImage *)imageByScalingProportionallyToSize:(CGSize)targetSize;
@end;
UIImage+Extra.m
@implementation UIImage (Extras)
- (UIImage *)imageByScalingProportionallyToSize:(CGSize)targe...
Set default CRAN mirror permanent in R
...
I added extra information, as it wasn't worth an extra answer and a bit too much for a comment.
– Joris Meys
Dec 12 '11 at 15:04
...
Wait until a process ends
...itForExit(1000 * 60 * 5); // Wait up to five minutes.
There are a few extra features in there which you might find useful...
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Javascript parseInt() with leading zeros
...cond argument:
parseInt("08", 10);
Earlier versions of JavaScript treat strings starting with 0 as octal (when no base is specified) and neither 08 nor 09 are valid octal numbers.
From the Mozilla documentation:
If radix is undefined or 0, JavaScript assumes the following:
If the in...
Multiple returns from a function
...ge that doesn't support the above methods or allows you to do this without extra typing).
class MyXYZ
{
public $x;
public $y;
public $z;
}
function getXYZ()
{
$out = new MyXYZ();
$out->x = 4;
$out->y = 5;
$out->z = 6;
return $out;
}
$xyz = getXYZ();
$x ...
Is it better to use C void arguments “void foo(void)” or not “void foo()”? [duplicate]
...nverted to promoted types (that is called the default argument promotion). char will become int, for example, while float will become double.
Composite type for functions
By the way, if a file contains both an omitted identifier list and a parameter type list, the parameter type list "wins". The ...
Write string to output stream
...InputStream and OutputStream) transfer binary data. If you want to write a string to a stream, you must first convert it to bytes, or in other words encode it. You can do that manually (as you suggest) using the String.getBytes(Charset) method, but you should avoid the String.getBytes() method, beca...
What happens if I define a 0-size array in C/C++?
...
The one use I know of is to trigger a compile time error from a boolean:
char someCondition[ condition ];
If condition is a false, then I get a compile time error. Because
compilers do allow this, however, I've taken to using:
char someCondition[ 2 * condition - 1 ];
This gives a size of ei...
How to create a video from images with FFmpeg?
...estions/587511/concatenate-multiple-wav-files-using-single-command-without-extra-file
Tested on
ffmpeg 3.4.4, vlc 3.0.3, Ubuntu 18.04.
Bibliography
http://trac.ffmpeg.org/wiki/Slideshow official wiki
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