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Form onSubmit determine which submit button was pressed [duplicate]
...the browser will
// automatically choose the first in source-order
// so we do the same here
submitActor = $submitActors[0];
}
console.log(submitActor.name);
// alert(submitActor.name);
return false;
});
...
About Python's built in sort() method
...he commonly used definitions, quicksort is unstable - that is the original ordering of two objects is not preserved, if they are equal during this sort. Having an unstable sort algorithm means that you have to come up with all sorts of 'magic' to sensibly sort data with multiple criteria, rather tha...
Difference between a theta join, equijoin and natural join
...h no name. I know it is not a set because, among other reasons, the column order is significant. It's not even a SQL table or SQL table expression. I call it a resultset.
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What does multicore assembly language look like?
...t;mutex> and <atomic> headers, and in particular with std::memory_order. I'm not sure if it covers all possible memory semantics achievable, but it just might.
The more subtle semantics are particularly relevant in the context of lock free data structures, which can offer performance benef...
Launch custom android application from android browser
...k to twitter in the browser, they will be asked what application to use in order to complete the action: the browser or your application.
Of course, if you want to provide tight integration between your website and your app, you can define your own scheme:
<intent-filter>
<data androi...
Why do people hate SQL cursors so much? [closed]
...ause on a relational database, the performance of code using cursors is an order of magnitude worse than set-based operations.
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Difference between CR LF, LF and CR line break types?
... +1 It is by this simple understanding that I always remember in what order the combination comes. Even today we can still see this mechanical logic in any inktjet-printer (I love to understand since I hate to learn). My other memory-tricks are: "mac? Return to sender" and "NewLineFeed" (to re...
What's the difference between design patterns and architectural patterns?
... sort are all algorithmic patterns for organizing a group of elements in a order.
For a most simplistic view:
Programming paradigms - specific to programming language
Design patterns - solves reoccurring problems in software construction
Architectural patterns - fundamental structural organizatio...
c++ boost::multi_index composite keys efficiency - C/C++ - 清泛网 - 专注C/C++及内核技术
...he documentation states that "Composite keys are sorted by lexicographical order, i.e. sorting is performed by the first key, then the second key if the first one is equal, etc". Does this mean that the structure is stored such that a lookup for a specific 2-part composite key will take O(n=1) time,...
How to get a Fragment to remove itself, i.e. its equivalent of finish()?
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What I don't understand is what to do in Df when 'OK' is pressed in order to remove fragments Df, Cf, and Bf?
Step #1: Have Df tell D "yo! we got the OK click!" via calling a method, either on the activity itself, or on an interface instance supplied by the activity.
Step #2: Have D remove...
