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RAII and smart pointers in C++
...h that? Well, the return type is std::string - so it means we're returning by value. This means that we copy str and actually return the copy. This can be expensive, and we might want to avoid the cost of copying it. Therefore, we might come up with idea of returning by reference or by pointer.
std...
How to get UTF-8 working in Java webapps?
... characters äåö are not a problematic as the default character set used by browsers and tomcat/java for webapps is latin1 ie. ISO-8859-1 which "understands" those characters.
To get UTF-8 working under Java+Tomcat+Linux/Windows+Mysql requires the following:
Configuring Tomcat's server.xml
It's...
How is performance affected by an unused using directive?
...rences from the application.
Below are the some excerpts from the link:
By removing any unused references in your application, you are
preventing the CLR from loading the unused referenced modules at
runtime. Which means that you will reduce the startup time of your
application, because it takes ...
Create objective-c class instance by name?
Is it possible to create an instance of a class by name? Something like:
4 Answers
4
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Comparing Dates in Oracle SQL
...ng a date comparison. You should transform your string into a date. Either by using the built-in TO_DATE() function, or a date literal.
TO_DATE()
select employee_id
from employee
where employee_date_hired > to_date('31-DEC-95','DD-MON-YY')
This method has a few unnecessary pitfalls
As a_...
.gitignore and “The following untracked working tree files would be overwritten by checkout”
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@marcamillion: What do you mean by "that worked"? If the files were tracked on the branch you switched to, you've overwritten them with your versions, which could be different...
– Cascabel
Feb 1 '11 at 6:30
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What is the C runtime library?
...hese routines automate many common programming tasks that are not provided by the C and C++ languages."
8 Answers
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git: Apply changes introduced by commit in one repo to another repo
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@hvgotcodes it worked for me simply by passing the range as <commit> but the rev-parse --verify command doesn't like it as it accepts only single commit values. But as cherry-pick accepts both single and range commit values, I ask: why is rev-parse needed...
Resetting a multi-stage form with jQuery
...').removeAttr('selected');
}
// to call, use:
resetForm($('#myform')); // by id, recommended
resetForm($('form[name=myName]')); // by name
Using the :text, :radio, etc. selectors by themselves is considered bad practice by jQuery as they end up evaluating to *:text which makes it take much longer ...
Git commit with no commit message
...can I commit changes without specifying commit message? Why is it required by default?
9 Answers
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