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Why is semicolon allowed in this python snippet?
...ot warrant the use of semicolons to end statements.
So why is this (below) allowed?
15 Answers
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Database development mistakes made by application developers [closed]
...Specifically, using a natural key will give you the ability to control the order in which data in your table is written to the disk. If you know how your table will be queried, you can index it so concurrently-accessed rows will end-up in the same page. Furthermore, you can enforce data integrity us...
What is the purpose of backbone.js?
...list of todo models. When a collection gains or loses a model, changes its order, or a model in a collection updates, the whole collection fires an event.
A view can listen to a collection and update itself whenever the collection updates.
You could add sort and filter methods to your collection,...
Trying to git pull with error: cannot open .git/FETCH_HEAD: Permission denied
...Exactly this! I came across this problem because I had to do sudo clone in order to accept XCode's new license agreement. The answer is to accept the agreement, then clone with no sudo.
– Barnaby
Oct 29 '15 at 23:12
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What are attributes in .NET?
...hods/properties.
For example I might declare an Attribute called: DisplayOrder so I can easily control in what order properties should appear in the UI. I could then append it to a class and write some GUI components that extract the attributes and order the UI elements appropriately.
public clas...
Update all objects in a collection using LINQ
... {c.PropertyToSet = value; return c;}).ToList();
The ToList is needed in order to evaluate the select immediately due to lazy evaluation.
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How to sort a list in Scala by two fields?
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@SachinK: you have to create your own Ordering for Row class and use it with sorted method like this: rows.sorted(customOrdering). You could also use custom Ordering for Tuple2 like this: rows.sortBy(r => (r.lastName, r.firstName))( Ordering.Tuple2(Ordering.St...
When should I use a composite index?
...ry, must use a single index for all where-clause, table join, group-by and order-by. So a separate index on each column may not work always but a composite index can do the magic.
– AKHIL MATHEW
Jul 25 at 13:39
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postgresql list and order tables by size
How can I list all the tables of a PostgreSQL database and order them by size ?
7 Answers
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Array copy values to keys in PHP [duplicate]
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$final_array = array_combine($a, $a);
http://php.net/array-combine
P.S.
* Be careful with similar values. For example:
array('one','two','one') may be problematic if converted like duplicate keys:
array('one'=>..,'two'=>..,'one'=>...)
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