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Compelling examples of custom C++ allocators?
...ere it was absolutely necessary for correctness, performance, scalability, etc? Any really clever examples?
16 Answers
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What is a build tool?
...te the work of compiling and packaging your code from creation, debugging, etc.
A build tool can be run on the command or inside an IDE, both triggered by you. They can also be used by continuous integration tools after checking your code out of a repository and onto a clean build machine.
make w...
SQL standard to escape column names?
... SQLite,
'foo' is an SQL string
"foo" is an SQL identifier (column/table/etc)
[foo] is an identifier in MS SQL
`foo` is an identifier in MySQL
For qualified names, the syntax is: "t"."foo" or [t].[foo], etc.
MySQL supports the standard "foo" when the ANSI_QUOTES option is enabled.
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How do I time a method's execution in Java?
...ilt-in class, like Timer t = new Timer(); String s = t.getElapsed(format); etc...
– Ogre Psalm33
Oct 8 '08 at 12:48
18
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Is returning null bad design? [closed]
...o when I actually want to return null, I have been naming the method like getCustomerOrNull() to make it explicit. I think a method is named well when the reader doesn't want to look at the implementation.
– Mike Valenty
Aug 17 '09 at 4:23
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Javascript Drag and drop for touch devices [closed]
...hat must be dragged around. If it is an input element like input, textarea etc, it skips the translation, or if a standard mouse event is attached to it it will also skip a translation.
Result:
Every element on a draggable element is still working.
Happy coding, greetz,
Erwin Haantjes
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How can I expand and collapse a using javascript?
...a container with different sections, so this is not a list like 1, 2, 3... etc. I am listing repeating sections with information. In each section, there is a subsection. The general build is as follows:
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Core dumped, but core file is not in the current directory?
...he core dump file in current directory itself. with name "core.giis.12344" etc. Thank you all for your answers/comments/hints .
– webminal.org
Jan 15 '10 at 6:57
21
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How do I copy SQL Azure database to my local development server?
...s, indices, stored procedures, triggers, security settings, users, logons, etc. are not transferred. However it is very simple process and can be done simply by going through wizard in SQL Server Management Studio.
Using combination of SSIS and DB creation scripts. This will get you data and all mi...
Prevent any form of page refresh using jQuery/Javascript
...tions. Such as text notifications to groups, print jobs, farming of data, etc.
If the user was on a page that was saying "Please wait... Performing some HUGE job that could take some time.". They were more likely to hit REFRESH and this would be BAD!
WHY? Because it would trigger more slow job...