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Easy way to prevent Heroku idling?
In the Heroku free apps the dynos seem to keep idling - my app has very low traffic but it's also not really acceptable in my case that my users have to wait 20+ seconds to spin up a new dyno.
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What does mvn install in maven exactly do
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As you might be aware of, Maven is a build automation tool provided by Apache which does more than dependency management. We can make it as a peer of Ant and Makefile which downloads all of the dependencies required.
On a mvn install, it frames a dependency tree based on the project con...
iPhone: How to switch tabs with an animation?
...aints, before ... a lot of stuff! So please take this into account when deciding whether to use these techniques. There may be more modern approaches. Oh, and if you find one. Please add a response so everyone can see. Thanks.
Some time later ...
After much research I came up with two working sol...
Get all keys of an NSDictionary as an NSArray
...s and values, here's what you do:
for (NSString *key in dictionary) {
id value = dictionary[key];
NSLog(@"Value: %@ for key: %@", value, key);
}
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How to prevent a jQuery Ajax request from caching in Internet Explorer?
...obal setup item before. Just saved me from having to update dozens of individual calls.
– James Skemp
Nov 29 '12 at 3:21
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Is it possible to use the SELECT INTO clause with UNION [ALL]?
...When we select all records it gives error as- "The ORDER BY clause is invalid in views, inline functions, derived tables, subqueries, and common table expressions, unless TOP or FOR XML is also specified. ". Please give some solution.
– ShaileshDev
Mar 21 '17 a...
How to use mysql JOIN without ON condition?
...tead of 'ON' as in the query
SELECT * FROM table1 LEFT JOIN table2 USING (id);
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Combining a class selector and an attribute selector with jQuery
... interpreted as the descendant selector.
Your second selector, like you said, looks for elements with either the attribute value, or the class, or both.
The comma is being interpreted as the multiple selector operator — whatever that means (CSS selectors don't have a notion of "operators"; the co...
Callback on CSS transition
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@meo It has something to do with the this element inside the callback. But its a required parameter, so in this case its just fulfilling the requirement.
– Doug Neiner
Mar 19 '11 at 17:23
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moveCamera with CameraUpdateFactory.newLatLngBounds crashes
I'm making use of the new Android Google Maps API .
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