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What's the difference between SoftReference and WeakReference in Java?
...utilize free
memory for performance optimization, but don't risk an OOME.
Now for the [*]. Keeping a SoftReference can't cause an OOME in itself. If
on the other hand you mistakenly use SoftReference for a task a WeakReference is meant
to be used (namely, you keep information associated with an Obj...
Sprintf equivalent in Java
... string rather than a file (which is what sprintf does in C). Does anyone know how to do this?
5 Answers
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Understanding spring @Configuration class
...ion Understanding Spring @Autowired usage I wanted to create a complete knowledge base for the other option of spring wiring, the @Configuration class.
...
How do I use Node.js Crypto to create a HMAC-SHA1 hash?
...t() were legacy methods and the new streaming API approach was introduced. Now the docs say that either method can be used. For example:
var crypto = require('crypto');
var text = 'I love cupcakes';
var secret = 'abcdeg'; //make this your secret!!
var algorithm = 'sha1'; //consider usi...
“Insufficient Storage Available” even there is lot of free space in device memory
...wn a Galaxy S II, so it seems to be a problem with that model.
If anyone knows of the permanent solution to stop the log files building up, please let me know.
NOTE: Some file managers will falsely list /data/log to be empty as they are running unprivileged and hence lack the permissions to view t...
Retaining file permissions with Git
...
The link to git-cache-meta is dead - can someone who knows about this locate it and edit the post?
– rosuav
Nov 20 '16 at 8:46
...
CSS does the width include the padding?
...remember (or find) the names of the different options for a couple of days now... +1 =)
– David says reinstate Monica
Jan 15 '11 at 15:04
...
What is Linux’s native GUI API?
...Window defines a network protocol for communication, and any program that knows how to "speak" this protocol can use it. There is a C library called Xlib that makes it easier to use this protocol, so Xlib is kind of the native GUI API. Xlib is not the only way to access an X Window server; there is ...
How to style the with only CSS?
...n> s of a <select> element with cross-browser compatibility? I know many JavaScript ways which customize the dropdown to convert into <li> , which I'm not asking about.
...
Effect of NOLOCK hint in SELECT statements
...ed to the table but have yet to be committed.
You really have no way to know what the state of the data is.
If you're trying to get things like a Row Count or other summary data where some margin of error is acceptable, then NOLOCK is a good way to boost performance for these queries and avoid ha...