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Any idea why I need to cast an integer literal to (int) here?
...tract 128 from (Integer) instead of casting -128 to Integer. Add () to fix it
Integer i3 = (Integer) -128; // doesn't compile
Integer i3 = (Integer) (-128); // compiles
According to BoltClock in the comments the cast to int works as intended, because it is a reserved word and therefore can't be ...
What does map(&:name) mean in Ruby?
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It's shorthand for tags.map(&:name.to_proc).join(' ')
If foo is an object with a to_proc method, then you can pass it to a method as &foo, which will call foo.to_proc and use that as the method's block.
The Symbol#t...
Does Java read integers in little endian or big endian?
...I am sending a byte stream from a C process to Java. On the C side the 32 bit integer has the LSB is the first byte and MSB is the 4th byte.
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How to increment a pointer address and pointer's value?
...and then increments number, and ++number increments first and then returns it.
Third, by increasing the value of a pointer, you're incrementing it by the sizeof its contents, that is you're incrementing it as if you were iterating in an array.
So, to sum it all up:
ptr++; // Pointer moves to t...
What good technology podcasts are out there?
Yes, Podcasts, those nice little Audiobooks I can listen to on the way to work. With the current amount of Podcasts, it's like searching a needle in a haystack, except that the haystack happens to be the Internet and is filled with too many of these "Hot new Gadgets" stuff :(
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How to measure time taken by a function to execute
...g("Call to doSomething took " + (t1 - t0) + " milliseconds.")
NodeJs: it is required to import the performance class
Using console.time: (non-standard) (living standard)
console.time('someFunction')
someFunction() // Whatever is timed goes between the two "console.time"
console.timeEnd('...
A simple scenario using wait() and notify() in java
...scenario i.e. tutorial that suggest how this should be used, specifically with a Queue?
6 Answers
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What is the maximum length of a Push Notification alert text?
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The real limits for the alert text are not documented anywhere.
The only thing the documentation says is:
In iOS 8 and later, the maximum size allowed for a notification payload is 2 kilobytes; Apple Push Notification Service refuses...
Check if a string is a date value
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Would Date.parse() suffice?
See its relative MDN Documentation page.
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How can I wait for a thread to finish with .NET?
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I can see five options available:
1. Thread.Join
As with Mitch's answer. But this will block your UI thread, however you get a Timeout built in for you.
2. Use a WaitHandle
ManualResetEvent is a WaitHandle as jrista suggested.
One thing to note is if you want to wait for multi...