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What do the return values of node.js process.memoryUsage() stand for?
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In order to answer this question, one has to understand V8’s Memory Scheme first.
A running program is always represented through some space allocated in memory. This space is called Resident Set. V8 uses a scheme similar to the Java Virtual Machine and divides the memory i...
Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?
...pplications, the synchronously multithreaded one (based on HttpWebRequest) and asynchronous I/O one (based on HTTP client) produced similar results: about 10 seconds to execute using around 3% of the CPU and 30 MB of memory. The only difference between the two testers was that the multithreaded one ...
C char array initialization
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char buf[10] = {'a', 0, 0, 0, 0, 0, 0, 0, 0, 0};
As you can see, no random content: if there are fewer initializers, the remaining of the array is initialized with 0. This the case even if the array is declared inside a function.
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logger configuration to log to file and print to stdout
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Just get a handle to the root logger and add the StreamHandler. The StreamHandler writes to stderr. Not sure if you really need stdout over stderr, but this is what I use when I setup the Python logger and I also add the FileHandler as w...
From Arraylist to Array
... zero-length array is created, then the real-size array is created, filled and returned. So, if since you know the needed size (from list.size()) you should create array that is big enough to put all elements. In this case it is not re-allocated.
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Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
.... Is it ever advantageous to use goto in a language that supports loops and functions? If so, why?
25 Answers
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Escape single quote character for use in an SQLite query
I wrote the database schema (only one table so far), and the INSERT statements for that table in one file. Then I created the database as follows:
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In plain English, what does “git reset” do?
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In general, git reset's function is to take the current branch and reset it to point somewhere else, and possibly bring the index and work tree along. More concretely, if your master branch (currently checked out) is like this:
- A - B - C (HEAD, master)
and you realize you want maste...
Control the dashed border stroke length and distance between strokes
Is it possible to control the length and distance between dashed border strokes in CSS?
8 Answers
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How to do the equivalent of pass by reference for primitives in Java
...lass member variable.
Choice 4: Create a single element array of type int and pass that
This is considered a hack, but is sometimes employed to return values from inline class invocations.
void play(int [] toyNumber){
System.out.println("Toy number in play " + toyNumber[0]);
toyNumbe...