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Best practice for creating millions of small temporary objects
...your code). If max is equal to Integer.MAX_VALUE, you loop might take some time to execute. However, the i variable will never escape the loop-block. Therefore the JVM will put that variable in a CPU register, regularly increment it but will never send it back to the main memory.
So, creating milli...
Traversing text in Insert mode
...t, you can type a number; and the movement will be repeated this number of times. For example, 15h will bring your cursor 15 characters back and 4j will move your cursor 4 lines down. Start using them and you'll get used to it soon. If you made a mistake ten characters back from your cursor, you'...
How do I determine whether an array contains a particular value in Java?
... If it's static, it's probably going to be used quite a few times. So, the time consumed to initialise the set has good chances of being quite small compared to the cost of a lot of linear searches.
– Xr.
Oct 12 '11 at 19:39
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Check if a string is a date value
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Using Moment you can be very specific about checking valid dates. Sometimes it is very important to add some clues about the format that you expect. For example, a date such as 06/22/2015 looks like a valid date, unless you use a format DD/MM/YYYY in which case this date should be rejected as i...
Recursive search and replace in text files on Mac and Linux
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I wish I could upvote this every time I come back to it and use it. It'd be at +15 by now, easy.
– Droogans
Feb 26 '15 at 15:35
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Portable way to get file size (in bytes) in shell?
...ns (and similar) use a system call to get the size, which should be linear time (versus O(size))
– jmtd
May 7 '11 at 16:40
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Do I need to disable NSLog before release Application?
...ly, and automatically included in every source file during the compilation time. So it is as if you would have put the whole #define thing into each of your source files.
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How can I add an item to a IEnumerable collection?
...p repeatedly; and if it is, you have bigger problems anyway, because every time you Concat, you get one more layer of enumerator - so by the end of it the single call to MoveNext will result in a chain of calls equal in length to the number of iterations.
– Pavel Minaev
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How can I check if the current date/time is past a set date/time?
I'm trying to write a script that will check if the current date/time is past the 05/15/2010 at 4PM
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Why does changing the returned variable in a finally block not change the return value?
...letes with the execution of the return statement and the value of s at the time the return statement executes is the value returned by the method. The fact that the finally clause later changes the value of s (after the return statement completes) does not (at that point) change the return value.
No...