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How to specify new GCC path for CMake
... the path of your compiler. One way would be
Set the appropriate CMAKE_FOO_COMPILER variable(s) to a valid compiler
name or full path on the command-line using cmake -D. For example:
cmake -G "Your Generator" -D CMAKE_C_COMPILER=gcc-4.2 -D CMAKE_CXX_COMPILER=g++-4.2 path/to/your/source
ins...
Is there a best practice for generating html with javascript
... of each one in Prototype.
// assuming JSON looks like this:
// { 'src': 'foo/bar.jpg', 'name': 'Lorem ipsum' }
Approach #1:
var html = "<div><img src='#{src}' /> #{name}</div>".interpolate(json);
$('container').insert(html); // inserts at bottom
Approach #2:
var div = new E...
What is a Maven artifact?
... artifact has a group ID (usually a reversed domain name, like com.example.foo), an artifact ID (just a name), and a version string. The three together uniquely identify the artifact.
A project's dependencies are specified as artifacts.
...
css z-index lost after webkit transform translate3d
...l
In the example, the buttons stack up and stack down raise and lower the footer's z-index (+/-1) against the rotated element (an img in this case).
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@Nullable annotation usage
... or later there is a bit cleaner approach than an if block.
public String foo(@Nullable String mayBeNothing) {
return Optional.ofNullable(mayBeNothing).orElse("Really Nothing");
}
You can also throw some exception in there by swapping .orElse to
orElseThrow(() -> new Exception("Dont' send ...
Best design for a changelog / auditing database table? [closed]
...s:
Who the heck created/updated/deleted a record
with ID=X in the table Foo and when?
So, in order to be able to answer such questions quickly (using SQL), we ended up having two additional columns in the audit table
object type (or table name)
object ID
That's when design of our audit log r...
How to force a web browser NOT to cache images
...
Simple fix: Attach a random query string to the image:
<img src="foo.cgi?random=323527528432525.24234" alt="">
What the HTTP RFC says:
Cache-Control: no-cache
But that doesn't work that well :)
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How to avoid the “divide by zero” error in SQL?
...ught it would be an error). So... I went with the following: ISNULL( (SUM(foo) / NULLIF(SUM(bar),0) ), 0) AS Avg
– Andrew Steitz
Mar 1 '13 at 20:45
...
Turn a string into a valid filename?
... use list comprehension together with the string methods.
>>> s
'foo-bar#baz?qux@127/\\9]'
>>> "".join(x for x in s if x.isalnum())
'foobarbazqux1279'
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How can I check if a Perl array contains a particular value?
...ine array doing below, will work as above.
if ( $var ~~ ['bar', 'value', 'foo'] )
In Perl 5.18 smartmatch is flagged as experimental therefore you need to turn off the warnings by turning on experimental pragma by adding below to your script/module:
use experimental 'smartmatch';
Alternativel...