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Concurrent vs serial queues in GCD
...serial) is the ONLY element that decides whether the tasks are executed in order or in paralel;; (2)the dispatch type (sync or async) is only saying whether the execution goes OR doesn't go to the next instruction? I mean, if I dispatch a task SYNC the code will block until that tasks finishes, no m...
Advantages of Binary Search Trees over Hash Tables
...s that binary search tree allows you to do range searches efficiently.
In order to illustrate my idea, I want to make an extreme case. Say you want to get all the elements whose keys are between 0 to 5000. And actually there is only one such element and 10000 other elements whose keys are not in th...
In Python, how do I iterate over a dictionary in sorted key order?
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@HowerHell use a collections.OrderedDict then you sort once & get items in sorted order always.
– Mark Harviston
Jun 3 '13 at 15:23
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How are VST Plugins made?
...though there are also a few settings which must be configured correctly in order to generate a valid plugin. You can also download a set of Xcode VST plugin project templates I made awhile back which can help you to write a working plugin on that platform.
As for AudioUnits, Apple has provided the...
Is there a Java reflection utility to do a deep comparison of two objects?
...with different options like ignoring Java default/null values and ignoring order of collections
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multiprocessing.Pool: When to use apply, apply_async or map?
...ch as
[1, 0, 4, 9, 25, 16, 49, 36, 81, 64]
Notice, unlike pool.map, the order of the results may not correspond to the order in which the pool.apply_async calls were made.
So, if you need to run a function in a separate process, but want the current process to block until that function returns...
Maven command to list lifecycle phases along with bound goals?
...install the plugin if it hasn't already been installed.
List goals by the order they will execute
> mvn fr.jcgay.maven.plugins:buildplan-maven-plugin:list
PLUGIN | PHASE | ID | GOAL
-----------------------------------------------------------...
Android - Handle “Enter” in an EditText
... It's usually better to perform actions on KeyEvent.ACTION_UP. In order for this to work, you need to first consume the ACTION_DOWN event: if (actionId == EditorInfo.IME_NULL && event.getAction() == KeyEvent.ACTION_DOWN) { return true; }. Then you can check for the ACTION_UP event a...
quick random row selection in Postgres
...u want to use a higher LIMIT... I need to get 3 items so I need to use the ORDER BY RANDOM() syntax.
– Alexis Wilke
Nov 24 '12 at 1:29
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ROW_NUMBER() in MySQL
...ent. You might get the results you expect, but this is not guaranteed. The order of evaluation for expressions involving user variables is undefined and may change based on the elements contained within a given statement."
– Roland Bouman
Jan 11 '10 at 13:51
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