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When to favor ng-if vs. ng-show/ng-hide?
... those elements will be lost. For example, if you bound a click handler to one of child elements, when ng-if evaluates to false, that element will be removed from DOM and your click handler will not work any more, even after ng-if later evaluates to true and displays the element. You will need to re...
Finding all possible combinations of numbers to reach a given sum
...sion
As others mention this is an NP-hard problem. It can be solved in exponential time O(2^n), for instance for n=10 there will be 1024 possible solutions. If the targets you are trying to reach are in a low range then this algorithm works. So for instance:
subset_sum([1,2,3,4,5,6,7,8,9,10],10000...
Possible to make labels appear when hovering over a point in matplotlib?
...ave, the scatter plot would be unreadable if I labeled each point. Does anyone know of a way to create labels that only appear when the cursor hovers in the vicinity of that point?
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Prevent double curly brace notation from displaying momentarily before angular.js compiles/interpola
...Expression}} in the markup are displayed, then disappear once angular is done with it's compilation/interpolation of the document.
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How to position a div in the middle of the screen when the page is bigger than the screen
Hi I'm using something similiar to the following to get a div positioned in the middle of the screen:
16 Answers
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When should I use git pull --rebase?
...hink that it would actually be better if these two--remote and local--were one branch. Like in SVN. It is here where git pull --rebase comes into play. You no longer merge--you actually commit on top of the remote branch. That's what it actually is about.
Whether it's dangerous or not is the qu...
Using Vim's tabs like buffers
...nything that uses the quickfix buffer (:make, :grep, and :helpgrep are the ones that spring to mind) will happily ignore tabs and there's nothing you can do to stop that.
Instead:
:set hidden
If you don't have this set already, then do so. It makes vim work like every other multiple-file editor...
Android Fragment lifecycle over orientation changes
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You're layering your Fragments one on top of the other.
When a config change occurs the old Fragment adds itself to the new Activity when it's recreated. This is a massive pain in the rear most of the time.
You can stop errors occurring by using the same...
Getting the ID of the element that fired an event
..., event.target doesn't permit access to its custom attributes. To do that, one must use $(this).attr("organization:thingy");.
– Zian Choy
Sep 8 '09 at 7:00
16
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Transaction isolation levels relation with locks on table
... the read of the invoices, Y can't add a new invoice (and when it's about money, people get really mad, especially the bosses).
I want to understand where we define these isolation levels: only at JDBC/hibernate level or in DB also
Using JDBC, you define it using Connection#setTransactionIso...