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leading zeros in rails
...using a given padding character.
str.rjust(integer, padstr=' ') → new_str
If integer is greater than the length of str, returns a new String of length integer with str right justified and padded with padstr; otherwise, returns str.
some_int = 5
some_int.to_s.rjust(2, '0') # => '05'
...
How to export DataTable to Excel
...lFilePath);
Extension method for DataTable class:
public static class My_DataTable_Extensions
{
// Export DataTable into an excel file with field names in the header line
// - Save excel file without ever making it visible if filepath is given
// - Don't save excel file, just make it...
Is it possible to Turn page programmatically in UIPageViewController?
...onDirection)direction {
NSUInteger pageIndex = ((FooViewController *) [_pageViewController.viewControllers objectAtIndex:0]).pageIndex;
if (direction == UIPageViewControllerNavigationDirectionForward) {
pageIndex++;
}
else {
pageIndex--;
}
FooViewController ...
Stateless and Stateful Enterprise Java Beans
...ul)ctx.lookup("java:comp/env/MyStatefulBean");
session.setAttribute("my_stateful", myStateful);
} catch (Exception e) {
// exception handling
}
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...
Neo4j - Cypher vs Gremlin query language
...s can be generated programmatically.
(See http://docs.sqlalchemy.org/en/rel_0_7/core/tutorial.html#intro-to-generative-selects to know what I mean.)
This seems to be a bit more tricky with Cypher.
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...
How to detect if multiple keys are pressed at once using JavaScript?
... could try something like this to make it easier on the eyes:
function test_key(selkey){
var alias = {
"ctrl": 17,
"shift": 16,
"A": 65,
/* ... */
};
return key[selkey] || key[alias[selkey]];
}
function test_keys(){
var keylist = arguments;
...
Can I use jQuery with Node.js?
... .use(app);
express
.use(nQuery.middleware)
.use(Express.static(__dirname + '/public'))
.listen(3000);
dnode(nQuery.middleware).listen(express);
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In C++, is it still bad practice to return a vector from a function?
... Guidelines.
Let's compare:
std::vector<int> BuildLargeVector1(size_t vecSize) {
return std::vector<int>(vecSize, 1);
}
with:
void BuildLargeVector2(/*out*/ std::vector<int>& v, size_t vecSize) {
v.assign(vecSize, 1);
}
Now, suppose we need to call these methods ...
Fixing JavaScript Array functions in Internet Explorer (indexOf, forEach, etc.) [closed]
...
With the Underscore.js var arr=['a','a1','b'] _.filter(arr, function(a){ return a.indexOf('a') > -1; })
– sri_bb
Dec 10 '14 at 11:30
add a comm...
DirectX SDK (June 2010) Installation Problems: Error Code S1023
...st recent file named
Microsoft Visual C++ 2010 x64 Redistributable Setup_20110608_xxx.html ##
and check if you have the following error
Installation Blockers:
A newer version of Microsoft Visual C++ 2010 Redistributable has been detected on the machine.
Final Result: Installation f...