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Can you have if-then-else logic in SQL? [duplicate]
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The CASE statement is the closest to an IF statement in SQL, and is supported on all versions of SQL Server:
SELECT CASE <variable>
WHEN <value> THEN <returnvalue>
WHEN <othervalue> THEN <returnthis>
ELSE <retur...
How to return a result (startActivityForResult) from a TabHost Activity?
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Oh, god! After spending several hours and downloading the Android sources, I have finally come to a solution.
If you look at the Activity class, you will see, that finish() method only sends back the result if there is a mParent property set to null. Otherwise t...
Callback of .animate() gets called twice jquery
...mate on:
If supplied, the start, step, progress, complete, done, fail, and always callbacks are called on a per-element basis...
Since you're animating two elements (the html element, and the body element), you're getting two callbacks. (For anyone wondering why the OP is animating two element...
How can I check if a View exists in a Database?
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If you found this to decide between a CREATE and ALTER for a view (as I did), this doesn't work for VIEWs - you have to DROP the VIEW* and then CREATE it. The IF EXISTS still works fine for DROPing the VIEW tho, so thanks! :) * Don't forget about any permissions when y...
How do I query using fields inside the new PostgreSQL JSON datatype?
I am looking for some docs and/or examples for the new JSON functions in PostgreSQL 9.2.
3 Answers
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Ways to implement data versioning in MongoDB
...nt data versioning in MongoDB. (I've asked similar question regarding Cassandra . If you have any thoughts which db is better for that please share)
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Platform independent size_t Format specifiers in c?
...t), l (for long), ll (for long long), j (for intmax_t), t (for ptrdiff_t), and L (for long double). See §7.19.6.1 (7) of the C99 standard.
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How to avoid “too many parameters” problem in API design?
... the "too many parameters" issues can be resolved with good logical groups and abstractions. In the end it makes the code more readable and more modularized.
– Sedat Kapanoglu
Apr 23 '13 at 15:01
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How to run only one task in ansible playbook?
... part of the configuration without running the whole playbook.
Both plays and tasks support a “tags:” attribute for this reason.
Example:
tasks:
- yum: name={{ item }} state=installed
with_items:
- httpd
- memcached
tags:
- packages
- template:...
Xcode 4 - build output directory
...er" on my products. It is the same for a simple C project, Foundation tool and even Cocoa bundle. A Debugging works fine.
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