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Why does PHP consider 0 to be equal to a string?
...e', or 'E' and the numeric value fits into integer type limits (as defined by PHP_INT_MAX), the string will be evaluated as an integer. In all other cases it will be evaluated as a float.
In this case the string is 'e' and thus it will be evaluated as a float:
The value is given by the initial...
Find size of an array in Perl
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The size of (1,2,3) is 3, and the indexes are (by default) 0, 1 and 2. So, $#arr will be 2 in this case, not 3.
– Nate C-K
Sep 13 '11 at 18:47
5
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How does push notification technology work on Android?
...emented their push notification feature? Does it work through polling done by a service running in the background or in a different way?
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Can Protractor and Karma be used together?
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Not recommended by the current maintainer of Protractor:
https://github.com/angular/protractor/issues/9#issuecomment-19927049
Protractor and Karma should not be used together; instead they provide separate systems for running tests. Protrac...
How can I lock a file using java (if possible)
... the lock of for the JVM, and not suitable for locking the file for access by individual threads within a single JVM.
– Stu Thompson
Sep 25 '08 at 7:00
11
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How can I check file size in Python?
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You need the st_size property of the object returned by os.stat. You can get it by either using pathlib (Python 3.4+):
>>> from pathlib import Path
>>> Path('somefile.txt').stat()
os.stat_result(st_mode=33188, st_ino=6419862, st_dev=16777220, st_nlink=1, st_u...
Should I always return IEnumerable instead of IList?
...this[int index] { get; set; }
If you need these methods in any way, then by all means return IList<T>.
Also, if the method that consumes your IEnumerable<T> result is expecting an IList<T>, it will save the CLR from considering any conversions required, thus optimizing the compi...
How to find foreign key dependencies in SQL Server?
...samkitshah: Nobody said it would. The question is tagged sql-server, which by definition is Microsoft technology. Postgres has nothing to do with it.
– Neolisk
Jan 9 '15 at 20:27
2...
Slowing speed of Viewpager controller in android
...rtant method (smoothScrollTo) can't be overridden.
I ended up fixing this by extending Scroller with this code:
public class FixedSpeedScroller extends Scroller {
private int mDuration = 5000;
public FixedSpeedScroller(Context context) {
super(context);
}
public FixedSpe...
Adding n hours to a date in Java?
...a.util.Calendar, and java.text.SimpleDateFormat are now legacy, supplanted by the java.time classes built into Java 8 & Java 9. See Tutorial by Oracle.
– Basil Bourque
Mar 25 '18 at 18:48
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