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Why does ~True result in -2?
...00000001
and ~1 is:
11111110
Which is -2 in Two's complement1
1 Flip all the bits, add 1 to the resulting number and interpret the result as a binary representation of the magnitude and add a negative sign (since the number begins with 1):
11111110 → 00000001 → 00000010
↑ ...
Favicon dimensions? [duplicate]
...fari, etc.), you need to combine both types of icons.
favicon.ico
Although all desktop browsers can deal with this icon, it is primarily for older version of IE.
The ICO format is different of the PNG format. This point is tricky because some browsers are smart enough to process a PNG picture correc...
SQL Server : Columns to Rows
...prior to applying the unpivot.
You could also use CROSS APPLY with UNION ALL to convert the columns:
select id, entityid,
indicatorname,
indicatorvalue
from yourtable
cross apply
(
select 'Indicator1', Indicator1 union all
select 'Indicator2', Indicator2 union all
select 'Indicator3', I...
Remove all whitespaces from NSString
...ng stringByReplacingOccurrencesOfString:@" " withString:@""]
2) If you really need to remove a set of characters (namely not only the space character, but any whitespace character like space, tab, unbreakable space, etc), you could split your string using the whitespaceCharacterSet then joining th...
What is the difference between JOIN and UNION?
...ed when columns from one table match columns from another. This match is called the join condition.
This makes joins really great for looking up values and including them in results. This is usually the result of denormalizing (reversing normalization) and involves using the foreign key in one ta...
Do python projects need a MANIFEST.in, and what should be in it?
...oth, distutils and setuptools are including in source
distribution package all the files mentioned in setup.py - modules, package python files,
README.txt and test/test*.py. If this is all you want to have in distribution package, you do
not have to use MANIFEST.in.
If you want to manipulate (add o...
Preserve line breaks in angularjs
... up wouldn't be pre-line the preferred one? It's closer to the way HTML usually renders the the text contents of its nodes and still preservers the newlines.
– aaki
Jan 27 '15 at 18:19
...
List submodules in a Git repository
...t repository that has several submodules in it. How do I list the names of all the submodules after git submodule init has been run?
...
When should I use the “strictfp” keyword in java?
I've looked up what this does, but does anyone actually have an example of when you would use the strictfp keyword in Java? Has anyone actually found a use for this?
...
Why are interface variables static and final by default?
...ariable. As for the part about final, that doesn't offer an explanation at all - it just describes what final means.
– pyrocrasty
May 9 '16 at 6:34
3
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