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“Debug only” code that should run only when “turned on”
...#if DEBUG
private /*static*/ bool s_bDoDebugOnlyCode = false;
#endif
void foo()
{
// ...
#if DEBUG
if (s_bDoDebugOnlyCode)
{
// Code here gets executed only when compiled with the DEBUG constant,
// and when the person debugging manually sets the bool above to true.
//...
Why can't I forward-declare a class in a namespace using double colons?
...-zA-Z0-9_]* we are all familiar with. As you can see, this precludes class foo::bar; from being a valid forward declaration, because foo::bar is not an identifier. It's a fully qualified name, something different.
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JavaScript and Threads
...n URL: http://stackoverflow.com/a/16799132/2576706
function getScriptPath(foo){ return window.URL.createObjectURL(new Blob([foo.toString().match(/^\s*function\s*\(\s*\)\s*\{(([\s\S](?!\}$))*[\s\S])/)[1]],{type:'text/javascript'})); }
var MAX_VALUE = 10000;
/*
* Here are the workers
*/
//...
How to use timeit module
...
for me, this is the fastest way:
import timeit
def foo():
print("here is my code to time...")
timeit.timeit(stmt=foo, number=1234567)
Jackson and generic type reference
...Type type = mapper.getTypeFactory().
constructCollectionType(List.class, Foo.class)
and then
List<Foo> list = mapper.readValue(new File("input.json"), type);
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...
Intercept page exit event
...tmurdock That's just Javascript syntax to declare multiple variables. var foo, bar; is the same as var foo; var bar;
– T Nguyen
Oct 16 '12 at 7:02
...
Error: could not find function … in R
...MESPACE, is that you are trying to run an unexported function from package foo.
For example (contrived, I know, but):
> mod <- prcomp(USArrests, scale = TRUE)
> plot.prcomp(mod)
Error: could not find function "plot.prcomp"
Firstly, you shouldn't be calling S3 methods directly, but lets ...
Reference — What does this symbol mean in PHP?
...lowercased. The class name includes the namespace it was declared in (e.g. Foo\Bar). Note that as of PHP 5.4 __CLASS__ works also in traits. When used in a trait method, __CLASS__ is the name of the class the trait is used in.
__TRAIT__: The trait name. (Added in PHP 5.4.0) As of PHP 5.4 this const...
.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included i
...starting below this like copy pasted list in here
# Example:
# LoadModule foo_module modules/mod_foo.so
LoadModule access_compat_module modules/mod_access_compat.so
LoadModule actions_module modules/mod_actions.so
LoadModule alias_module modules/mod_alias.so
LoadModule allowmethods_module modules/...
How to loop through array in jQuery?
...x, val) {
console.log(index, val)
});
var myObj = { firstName: "skyfoot"};
$.each(myObj, function(propName, propVal) {
console.log(propName, propVal);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
javascript loops for ar...