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Comparing Java enum members: == or equals()?
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I do this when .equals()ing string values, but I still think that it's a crappy way to write null-safe code. I'd much rather have an operator (or a method, but I know that [null object].equals won't ever be null-safe in Java because of how the dot opera...
Get contentEditable caret index position
...deInnerText()" which will walk the node tree and construct the proper text string, and in particular, will insert "\n" for any BR nodes (under most conditions-- it's more subtle than that)
– mwag
Aug 21 at 13:46
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Writing a list to a file with Python
... single function call, at least remove the square brackets [], so that the strings to be printed get made one at a time (a genexp rather than a listcomp) -- no reason to take up all the memory required to materialize the whole list of strings.
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Command not found error in Bash variable assignment
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STR = "foo"
bash tries to run a command named STR with 2 arguments (the strings '=' and 'foo')
When you write:
STR =foo
bash tries to run a command named STR with 1 argument (the string '=foo')
When you write:
STR= foo
bash tries to run the command foo with STR set to the empty string in ...
Disabling Chrome cache for website development
...ev Tools option doesn't seem to work for me. But cache killer works like a charm. The reload time is significantly slower, like 4-5x, but the actual serving up of the new content is obviously much quicker.
– Bryce Johnson
Jan 24 '14 at 18:01
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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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Datatype for storing ip address in SQL Server
...S
BEGIN
DECLARE @str AS VARCHAR(15)
SELECT @str = CAST( CAST( SUBSTRING( @ip, 1, 1) AS INTEGER) AS VARCHAR(3) ) + '.'
+ CAST( CAST( SUBSTRING( @ip, 2, 1) AS INTEGER) AS VARCHAR(3) ) + '.'
+ CAST( CAST( SUBSTRING( @ip, 3, 1) AS INTEGER) AS VARCHAR(3) ) + '.'
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Convert java.util.Date to String
I want to convert a java.util.Date object to a String in Java.
18 Answers
18
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Retain precision with double in Java
...int things out in a slightly friendlier format, try java.util.Formatter or String.format. In the format string specify a precision less than the full precision of a double. To 10 significant figures, say, 11.399999999999 is 11.4, so the result will be almost as accurate and more human-readable in ca...
How to handle Handler messages when activity/fragment is paused
... 1;
final static class State extends Fragment {
static final String TAG = "State";
/**
* Handler for this activity
*/
public ConcreteTestHandler handler = new ConcreteTestHandler();
@Override
public void onCreate(Bundle savedInstanceSt...