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Difference between java.util.Random and java.security.SecureRandom
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The standard Oracle JDK 7 implementation uses what's called a Linear Congruential Generator to produce random values in java.util.Random.
Taken from java.util.Random source code (JDK 7u2), from a comment on the method protected int next(int bits), which is the one that genera...
Unable to find valid certification path to requested target - error even after cert imported
...'own' take on keychains and what not. So it may be looking at something totally different.
Short of truss-ing - I'd try:
java -Djavax.net.debug=all -Djavax.net.ssl.trustStore=trustStore ...
to see if that helps. Instead of 'all' one can also set it to 'ssl', key manager and trust manager - whic...
How to concatenate strings of a string field in a PostgreSQL 'group by' query?
...xt) (
SFUNC=string_agg_transfn,
STYPE=text
);
Custom variations (all Postgres versions)
Prior to 9.0, there was no built-in aggregate function to concatenate strings. The simplest custom implementation (suggested by Vajda Gabo in this mailing list post, among many others) is to use the bu...
Height of status bar in Android [duplicate]
...I'm also asking if I can assume that the status bar has the same height in all devices.
– hpique
Aug 4 '10 at 22:19
17
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Delete newline in Vim
...wline. You can also combine this with a count, so pressing 3J will combine all 3 lines together.
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How to add a browser tab icon (favicon) for a website?
I've been working on a website and I'd like to add a small icon to the browser tab.
13 Answers
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How to extend an existing JavaScript array with another array, without creating a new array
...ethod can take multiple arguments. You can use the spread operator to pass all the elements of the second array as arguments to .push:
>>> a.push(...b)
If your browser does not support ECMAScript 6, you can use .apply instead:
>>> a.push.apply(a, b)
Or perhaps, if you think i...
How do I clone a single branch in Git?
I have a local Git repository called 'skeleton' that I use for storing project skeletons. It has a few branches, for different kinds of projects:
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In which order should floats be added to get the most precise result?
...estion I was asked at my recent interview and I want to know (I don't actually remember the theory of the numerical analysis, so please help me :)
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NUnit Unit tests not showing in Test Explorer with Test Adapter installed
I've installed NUnit Test Adapter for VS2012 + 2013. When I first installed the Adapter tests were showing up, but they stopped showing up for some reason today. After building, rebuilding, cleaning, restarting, nothing shows up in Test Explorer. Why would this be happening? I'm using VS2013 Ult...