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Distributed sequence number generation?
...me). True sequence numbers imply knowledge of what all other workers have done, and as such require shared state. There is no easy way of doing this in a distributed, high-scale manner. You could look into things like network broadcasts, windowed ranges for each worker, and distributed hash tables f...
Is passing 'this' in a method call accepted practice in java
...ive answer to such a question is always easier to argument), I just opened one of the most common java.lang classes, the String one, and of course I found instances of this use, for example
1084 // Argument is a String
1085 if (cs.equals(this))
1086 return true;
Look for ...
Java, Classpath, Classloading => Multiple Versions of the same jar/project
...ome facts:
Classloaders in an application are usually more than a single one. The bootstrap class loader delegates to the appropriate. When you instantiate a new class the more specific classloader is invoked. If it does not find a reference to the class you are trying to load, it delegates to its...
How to globally replace a forward slash in a JavaScript string?
...
The following would do but only will replace one occurence:
"string".replace('/', 'ForwardSlash');
For a global replacement, or if you prefer regular expressions, you just have to escape the slash:
"string".replace(/\//g, 'ForwardSlash');
...
SQL Joins Vs SQL Subqueries (Performance)?
... subquery, so for every row in main query, subquery executes but in second one the subquery only executes one time and this way performance improved.
– Ali Faradjpour
Apr 5 '19 at 10:42
...
Making heatmap from pandas DataFrame
...end the Seaborn heatmap() as documented here.
The example above would be done as follows:
import numpy as np
from pandas import DataFrame
import seaborn as sns
%matplotlib inline
Index= ['aaa', 'bbb', 'ccc', 'ddd', 'eee']
Cols = ['A', 'B', 'C', 'D']
df = DataFrame(abs(np.random.randn(5, 4)), in...
What is std::promise?
...ly familiar with C++11's std::thread , std::async and std::future components (e.g. see this answer ), which are straight-forward.
...
jQuery/Javascript function to clear all the fields of a form [duplicate]
...
This one works just perfect! This should be the right answer!
– Xedret
Jan 25 '14 at 1:59
...
What's the difference between passing by reference vs. passing by value?
...put/inout arguments" in languages where a function cannot return more than one value.
The meaning of "reference" in "pass by reference". The difference with the general "reference" term is is that this "reference" is temporary and implicit. What the callee basically gets is a "variable" that is som...
Add native files from NuGet package to project output directory
...h reference the project, resulting in a DllNotFoundException. This can be done with a much simpler targets file though, using a None element, as MSBuild will copy all None files to referencing projects.
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
...