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SQL Logic Operator Precedence: And and Or
...; a1 Or a2
Where a And b
is not the same as
Where a1 Or a2 And b,
because that would be Executed as
Where a1 Or (a2 And b)
and what you want, to make them the same, is the following (using parentheses to override rules of precedence):
Where (a1 Or a2) And b
Here's an example to illust...
How to get string width on Android?
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You can use the getTextBounds(String text, int start, int end, Rect bounds) method of a Paint object. You can either use the paint object supplied by a TextView or build one yourself with your desired text appearance.
Using a T...
Difference between an application server and a servlet container?
I am trying to understand the difference between a full fledged application server (e.g. Weblogic, JBoss etc.) and a servlet container (Tomcat, Jetty etc.).
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Are there any downsides to enabling git rerere?
...ault. So is there any downside to enabling rerere? What potential problems can it cause that would not otherwise occur?
4 A...
Replace specific characters within strings
...exist (disclaimer : I mainly use base regex functions but I know that they can be difficult for new users...)
– dickoa
Aug 13 '12 at 14:46
...
format statement in a string resource file
...g has two arguments: %1$s is a
string and %2$d is a decimal integer. You can format the string with
arguments from your application like this:
Resources res = getResources();
String text = res.getString(R.string.welcome_messages, username, mailCount);
...
Match linebreaks - \n or \r\n?
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Most likely because you copied one out of your windows text editor and the other one you wrote straight into the debuggex textarea. Each used different line breaks.
– OGHaza
Nov 18 '13 at 20:18
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Input and output numpy arrays to h5py
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h5py provides a model of datasets and groups. The former is basically arrays and the latter you can think of as directories. Each is named. You should look at the documentation for the API and examples:
http://docs.h5py.org/en/latest/quick.html
A simple example where you are creating al...
Where's the difference between setObject:forKey: and setValue:forKey: in NSMutableDictionary?
...dly see any big difference. Both "value" and "object" are of type id , so can be any object. Key is once a string, and in the other case an id. One of them seems to retain the object, and the other don't. What else? Which one is for what case?
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Superiority of unnamed namespace over static?
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You're basically referring to the section §7.3.1.1/2 from the C++03 Standard,
The use of the static keyword is
deprecated when declaring objects in a
namespace scope; the
unnamed-namespace provides a superior
alternative.
...