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How to name factory like methods?
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Some random thoughts:
'Create' fits the feature better than most other words. The next best word I can think of off the top of my head is 'Construct'. In the past, 'Alloc' (allocate) might have been used in similar situations, re...
What is the difference between a database and a data warehouse?
What is the difference between a database and a data warehouse?
13 Answers
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Can I pass parameters by reference in Java?
...itself which is passed by value, hence it appears to be pass-by-reference (and people often claim that it is). This is not the case, as shown by the following:
Object o = "Hello";
mutate(o)
System.out.println(o);
private void mutate(Object o) { o = "Goodbye"; } //NOT THE SAME o!
Will print Hello...
sql query to return differences between two tables
...ies. I need to check three pieces of data in doing so, FirstName, LastName and Product.
12 Answers
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What exactly are “spin-locks”?
...ritical sections etc), operating system puts your thread in the WAIT state and preempts it by scheduling other threads on the same core. This has a performance penalty if the wait time is really short, because your thread now has to wait for a preemption to receive CPU time again.
Besides, kernel ob...
how to convert an RGB image to numpy array?
... answered Oct 15 '11 at 8:02
Andrey KamaevAndrey Kamaev
27.2k66 gold badges8282 silver badges8484 bronze badges
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Convert decimal to hexadecimal in UNIX shell script
... "Result too large". the BC method works great for things larger than a standard int/long/bigint
– Andrew Backer
Sep 1 '14 at 6:52
4
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Can I replace groups in Java regex?
I have this code, and I want to know, if I can replace only groups (not all pattern) in Java regex.
Code:
7 Answers
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Getting realtime output using subprocess
I am trying to write a wrapper script for a command line program (svnadmin verify) that will display a nice progress indicator for the operation. This requires me to be able to see each line of output from the wrapped program as soon as it is output.
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Secure random token in Node.js
In this question Erik needs to generate a secure random token in Node.js. There's the method crypto.randomBytes that generates a random Buffer. However, the base64 encoding in node is not url-safe, it includes / and + instead of - and _ . Therefore, the easiest way to generate such token ...