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What is Dependency Injection and Inversion of Control in Spring Framework?
...ed i.e., each class is independent of each other so that everything can be tested individually. But when using those classes, a class may be dependent on other classes which need to be instantiated first.
So, we tell spring that class A is dependent on class B. So, when creating bean(like class) f...
Statistics: combinations in Python
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return int( reduce(mul, (Fraction(n-i, i+1) for i in range(k)), 1) )
Test - printing Pascal's triangle:
>>> for n in range(17):
... print ' '.join('%5d'%nCk(n,k) for k in range(n+1)).center(100)
...
1 ...
T-SQL: Deleting all duplicate rows but keeping one [duplicate]
...up identifier and "baz" is some sort of time stamp. In order to keep the latest, you'd do ORDER BY baz desc)
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viewWillDisappear: Determine whether view controller is being popped or is showing a sub-view contro
...The -isMovingFromParentViewController method mentioned below allows you to test if the view is being popped explicitly.
– grahamparks
Oct 1 '13 at 11:20
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How to list the size of each file and directory and sort by descending size in Bash?
...sdf.2000.gz
2,5M xyz.PT.gz
136K xyz.6000.gz
116K xyz.6000p.gz
88K test.4000.gz
76K test.4000p.gz
44K test.2000.gz
8,0K desc.common.tcl
8,0K wer.2000p.gz
8,0K wer.2000.gz
4,0K ttree.3
Explanation
du displays "disk usage"
h is for "human readable" (both, in sort and in du)
max...
How to get browser width using JavaScript code?
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Original Answer
Since all browsers behave differently, you'll need to test for values first, and then use the correct one. Here's a function that does this for you:
function getWidth() {
if (self.innerWidth) {
return self.innerWidth;
}
if (document.documentElement && documen...
How to use single storyboard uiviewcontroller for multiple subclass
...class.
I should preface the answer with the proviso that, although I have tested it in various scenarios and received no errors, I can't ensure that it will cope with more complex set ups (but I see no reason why it shouldn't work). Also, I have not submitted any apps using this method, so there i...
AngularJS - Access to child scope
... One place you probably want to get the child scope is when unit testing directives. If you have a transcluded directive the scope is a child of the scope used to compile the element. Getting access to the scope of the compiled directive for testing is challenging.
– ...
IN vs OR in the SQL WHERE Clause
...ied it with Oracle, and it was exactly the same.
CREATE TABLE performance_test AS ( SELECT * FROM dba_objects );
SELECT * FROM performance_test
WHERE object_name IN ('DBMS_STANDARD', 'DBMS_REGISTRY', 'DBMS_LOB' );
Even though the query uses IN, the Execution Plan says that it uses OR:
---------...
How do I encode/decode HTML entities in Ruby?
...code the characters, you can use CGI.escapeHTML:
string = CGI.escapeHTML('test "escaping" <characters>')
To decode them, there is CGI.unescapeHTML:
CGI.unescapeHTML("test &quot;unescaping&quot; &lt;characters&gt;")
Of course, before that you need to include the CGI librar...