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Difference between malloc and calloc?
...em with virtual memory.)
Some compilers even can optimize malloc + memset(0) into calloc for you, but you should use calloc explicitly if you want the memory to read as 0.
If you aren't going to ever read memory before writing it, use malloc so it can (potentially) give you dirty memory from its i...
LINQ .Any VS .Exists - What's the difference?
... conditions defined by the specified predicate.
This exists since .NET 2.0, so before LINQ. Meant to be used with the Predicate delegate, but lambda expressions are backward compatible. Also, just List has this (not even IList)
IEnumerable.Any (Extension method - MSDN)
Determines whether a...
Changing route doesn't scroll to top in the new page
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580
The problem is that your ngView retains the scroll position when it loads a new view. You can in...
How to launch Safari and open URL from iOS app
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edited Nov 4 '19 at 0:32
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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'IF' in 'SELECT' statement - choose output value based on column values
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1039
SELECT id,
IF(type = 'P', amount, amount * -1) as amount
FROM report
See http://dev....
String's Maximum length in Java - calling length() method
...way the internal data representation is implemented for Strings), Chapter 10: Arrays of The Java Language Specification, Java SE 7 Edition says the following:
The variables contained in an array
have no names; instead they are
referenced by array access expressions
that use nonnegative int...
C# switch statement limitations - why?
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100
This is my original post, which sparked some debate... because it is wrong:
The switch stat...
Filtering by Multiple Specific Model Properties in AngularJS (in OR relationship)
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edited Mar 22 '17 at 15:04
Mistalis
15.7k1313 gold badges6363 silver badges8787 bronze badges
answered...
How do you create a read-only user in PostgreSQL?
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670
Grant usage/select to a single table
If you only grant CONNECT to a database, the user can conn...
Auto margins don't center image in page
...his example the image is not centered. Why? My browser is Google Chrome v10 on windows 7, not IE.
9 Answers
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