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NSInvocation for Dummies?
...cess a variable of some object, you are sending it a message. NSInvocation comes in handy when you want to send a message to an object at a different point in time, or send the same message several times. NSInvocation allows you to describe the message you are going to send, and then invoke it (actu...
How is the “greater than” or “>” character used in CSS?
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How to detect UI thread on Android?
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Common practice to determine the UI Thread's identity is via Looper#getMainLooper:
if (Looper.getMainLooper().getThread() == Thread.currentThread()) {
// On UI thread.
} else {
// Not on UI thread.
}
From API level 23 ...
How do I change the highlight style in Vim spellcheck?
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What does 'foo' really mean?
... as a programming question, as in any programming tutorial, you eventually come across 'foo' in the code examples. (yeah, right?)
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kill -3 to get java thread dump
I am using kill -3 command to see the JVM's thread dump in unix. But where can I find the output of this kill command? I am lost!!
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Android: “Path for project must have only one segment”
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Convert timedelta to total seconds
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If somebody still needs to be compatible with 2.6: See stackoverflow.com/questions/3318348/… for how to extend datetime.timedelta with the new method yourself.
– Uwe Geuder
Dec 16 '13 at 18:42
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System.currentTimeMillis vs System.nanoTime
...r
than approximately 292 years (263
nanoseconds) will not accurately
compute elapsed time due to numerical
overflow.
For example, to measure how long some code takes to execute:
long startTime = System.nanoTime();
// ... the code being measured ...
long estimatedTime = System.nano...
npm failed to install time with make not found error
...e you may need to install XCode. It should contain all the tools needed to compile native modules on OS X, similar to build-essential on Ubuntu.
– Chev
Dec 30 '14 at 17:56
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