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How to find time complexity of an algorithm
...mic. There are other Big O measures such as cubic, exponential, and square root, but they're not nearly as common. Big O notation is described as O ( <type> ) where <type> is the measure. The quicksort algorithm would be described as O ( N * log ( N ) ).
Note that none of this has taken...
How to store a list in a column of a database table
...n array of text, if that's what you want, and there are similar tricks for MySql and MS SQL using JSON, and IBM's DB2 offer an array type as well (in their own helpful documentation). This would not be so common if there wasn't a need for this.
What you do lose by going that road is the notion of t...
Performance of FOR vs FOREACH in PHP
...ur time for a micro-optimization. Remember, Premature Optimization Is The Root Of All Evil...
Edit: Based upon the comment, I decided to do a quick benchmark run...
$a = array();
for ($i = 0; $i < 10000; $i++) {
$a[] = $i;
}
$start = microtime(true);
foreach ($a as $k => $v) {
$a[$...
SQL Server Script to create a new user
...full help you for network using:
1- Right-click on SQL Server instance at root of Object Explorer, click on Properties
Select Security from the left pane.
2- Select the SQL Server and Windows Authentication mode radio button, and click OK.
3- Right-click on the SQL Server instance, select Restart...
What's the equivalent of use-commit-times for git?
...elist.add(os.path.relpath(path))
elif os.path.isdir(path):
for root, subdirs, files in os.walk(path):
if '.git' in subdirs:
subdirs.remove('.git')
for file in files:
filelist.add(os.path.relpath(os.path.join(root, file)))
mtime = 0...
How do I obtain a Query Execution Plan in SQL Server?
...e,
/*costs accumulate up the tree so the MAX should be the root*/
MAX(EstimatedTotalSubtreeCost) AS EstimatedTotalSubtreeCost
FROM fn_trace_getinfo(@TraceID) fn
CROSS APPLY fn_trace_gettable(CAST(value AS NVARCHAR(200)), 1)
C...
What is the advantage of using Restangular over ngResource?
... born as a growing fork to the great relational database management system MySQL.
At this writing time Restangular having 6699 stars and 727 forks is now moving forward to Restangular 2.0 which is meant to support angularJs 2.0 and ES6.
discussion about : https://github.com/mgonto/restangular/iss...
What is the difference between a reference type and value type in c#?
...d on the managed heap and are therefore subject to GC. If a Ref Type has a root reference it cant be collected and is promoted up the generations, 0, 1 & 2. If it doesn't have a root reference it can be Garbage Collected & it then goes through this process called Resurrection where it is kil...
What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association
...ll the owner, as it contains foreign key referencing to Troop. (I am using mysql, I checked with your approach).
– Akhilesh
Oct 30 '13 at 7:46
12
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Difference between sh and bash
...r which your command follows. Some shells use $ instead of %, or # for the root shell.
– Roman Cheplyaka
Apr 17 at 7:09
...