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Naming convention - underscore in C++ and C# variables
It's common to see a _var variable name in a class field. What does the underscore mean? Is there a reference for all these special naming conventions?
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How to deal with “java.lang.OutOfMemoryError: Java heap space” error?
I am writing a client-side Swing application (graphical font designer) on Java 5 . Recently, I am running into java.lang.OutOfMemoryError: Java heap space error because I am not being conservative on memory usage. The user can open unlimited number of files, and the program keeps the opened obj...
LEFT JOIN vs. LEFT OUTER JOIN in SQL Server
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As per the documentation: FROM (Transact-SQL):
<join_type> ::=
[ { INNER | { { LEFT | RIGHT | FULL } [ OUTER ] } } [ <join_hint> ] ]
JOIN
The keyword OUTER is marked as optional (enclosed in square brackets). In this...
Javascript - How to extract filename from a file input control
...ecause his way will fail with extensions of more characters than 3, thus: .html, .jpeg etc.
– Yeti
May 10 '12 at 16:02
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MySQL INSERT INTO table VALUES.. vs INSERT INTO table SET
...quivalent performance wise.
http://dev.mysql.com/doc/refman/5.6/en/insert.html says:
INSERT inserts new rows into an existing table. The INSERT ... VALUES and INSERT ... SET forms of the statement insert rows based on explicitly specified values. The INSERT ... SELECT form inserts rows selected...
Thymeleaf: how to use conditionals to dynamically add/remove a CSS class
...with th:if. This is done with the elvis operator.
<a href="lorem-ipsum.html" th:class="${isAdmin}? adminclass : userclass">Lorem Ipsum</a>
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How to add an integer to each element in a list?
...cts and Myths about Python Names and Values: nedbatchelder.com/text/names1.html
– Ned Batchelder
Dec 2 '16 at 13:36
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How do I do an initial push to a remote repository with Git?
I've read through countless tutorials and I keep coming up short. Here's what I've got:
6 Answers
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Create a temporary table in a SELECT statement without a separate CREATE TABLE
...om the manual found at http://dev.mysql.com/doc/refman/5.7/en/create-table.html
You can use the TEMPORARY keyword when creating a table. A TEMPORARY table is visible only to the current session, and is dropped automatically when the session is closed. This means that two different sessions can u...
How do I return clean JSON from a WCF Service?
...:
http://blog.clauskonrad.net/2010/11/how-to-expose-json-endpoint-from-wcf.html
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