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Java volatile reference vs. AtomicReference
...ick with a volatile field, simplest solution and lowest overhead.
Need the extra functionality? If this is a performance(speed/memory overhead) sensitive part of your code make a choice between AtomicReference/AtomicFieldUpdater/Unsafe where you tend to pay in readability and risk for your performan...
Rounding up to next power of 2
...mon: it's the portable solution. There's no common efficient algorithm for all architectures
– phuclv
Dec 6 '13 at 9:27
5
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Animate a custom Dialog
...Dialog);
// Setting the title and layout for the dialog
dialog.setTitle(R.string.pause_menu_label);
dialog.setContentView(R.layout.pause_menu);
Alternatively you could set the animations the following way instead of using the Dialog constructor that takes a theme.
Dialog dialog = new Dialog(this...
Chain-calling parent initialisers in python [duplicate]
... B inheriting from A, class C inheriting from B. What is a generic way to call a parent class initialiser in an initialiser? If this still sounds too vague, here's some code.
...
Backbone.js fetch with parameters
... {
params.contentType = 'application/json';
params.data = JSON.stringify(model.toJSON());
}
// For older servers, emulate JSON by encoding the request into an HTML-form.
if (Backbone.emulateJSON) {
params.contentType = 'application/x-www-form-urlencoded';
params....
Why is std::map implemented as a red-black tree?
...cause the main operation is already O(log n). even after all the slightly extra work that AVL trees do results in a more tightly balanced tree which leads to slightly faster lookups. so it is a perfectly valid tradeoff and does not make AVL trees inferior to red-black trees.
–...
What specific productivity gains do Vim/Emacs provide over GUI text editors?
...not doing everything through the keyboard, creating macros will require an extra set of commands rather than making use of the ones you already are using.
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“open/close” SqlConnection or keep open?
...public SqlConnection GetConnection() { return new SqlConnection(_connectionString); }
– ganders
Jan 23 at 17:12
...
Execution time of C program
I have a C program that aims to be run in parallel on several processors. I need to be able to record the execution time (which could be anywhere from 1 second to several minutes). I have searched for answers, but they all seem to suggest using the clock() function, which then involves calculating...
Minimizing NExpectation for a custom distribution in Mathematica
...
As far as I see, the problem is (as you already wrote), that MeanResidualLife takes a long time to compute, even for a single evaluation. Now, the FindMinimum or similar functions try to find a minimum to the function. Finding a minimum requires either to set the first derivative of the function...