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Getting a list of associative array keys
...ck note. Be wary of using for..in if you use a library (jQuery, Prototype, etc.), as most of them add methods to created Objects (including dictionaries).
This will mean that when you loop over them, method names will appear as keys. If you are using a library, look at the documentation and look for...
Reason for Column is invalid in the select list because it is not contained in either an aggregate f
...f the grouping criteria, nor appear in aggregate functions (SUM, MIN, MAX, etc.).
Fixing it might look like this:
SELECT a, MAX(b) AS x
FROM T
GROUP BY a
Now it's clear that you want the following result:
a x
--------
1 ghi
2 pqr
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How to get month name from Calendar
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this is a weak solution, how about jan, feb etc. not addition to January February etc. this will not cover all the situation
– Abeer zaroor
Apr 10 '16 at 20:01
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Android multiple email attachments using Intent
... Android program to send email with an attachment (image file, audio file, etc) using Intent with ACTION_SEND . The program is working when email has a single attachment. I used Intent.putExtra(android.content.Intent.EXTRA_STREAM, uri) to attach the designated image file to the mail and it is wor...
Iterator Loop vs index loop [duplicate]
... be to use a combination of STL algorithms (e.g. find, sort, remove, copy) etc. that carries out the computation that you have in mind on your data structure (vector, list, map etc.), and to supply that algorithm with iterators into your container.
Your particular example could be written as a comb...
What is the MySQL JDBC driver connection string?
...("com.mysql.jdbc.Driver").newInstance ();
Connection conn = DriverManager.getConnection (url, "username", "password");
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How to simulate the environment cron executes a script with?
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note: if adding that to the global /etc/crontab, you'll need the username too. E.g. * * * * * root env > ~/cronenv
– Greg
Aug 20 '12 at 14:23
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Why shouldn't I use “Hungarian Notation”?
... be much safer to create distinct types (eg. structs) for lengths, weights etc. and use operator overloading to ensure that only valid operations are possible.
– JacquesB
Jul 3 '14 at 13:55
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How do you organize your version control repository?
...ojects on Windows, or something similar based on your OS, target platform, etc.
Make every project build script reference its external (3rd-party) dependencies from a single local shared "library" directory, with every such binary FULLY identified by version: %DirLibraryRoot%\ComponentA-1.2.3.4.dll...
iPhone viewWillAppear not firing
...vigationController and then pushing a view to it WILL fire viewWillAppear: etc.
– DaGaMs
Nov 7 '11 at 13:44
Swift 3: ...