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Creating a byte array from a stream
... streams, you just don't know how much data there will be. In such cases - and before .NET 4 - I'd use code like this:
public static byte[] ReadFully(Stream input)
{
byte[] buffer = new byte[16*1024];
using (MemoryStream ms = new MemoryStream())
{
int read;
while ((read ...
How to check if a map contains a key in Go?
...ng here
}
Explanation:
if statements in Go can include both a condition and an initialization statement. The example above uses both:
initializes two variables - val will receive either the value of "foo" from the map or a "zero value" (in this case the empty string) and ok will receive a bool ...
Escaping single quote in PHP when inserting into MySQL [duplicate]
... know is a bad idea). This means that strings gathered from $_GET, $_POST and $_COOKIES are escaped for you (i.e., "O'Brien" -> "O\'Brien").
Once you store the data, and subsequently retrieve it again, the string you get back from the database will not be automatically escaped for you. You'll g...
Inheritance vs. Aggregation [closed]
There are two schools of thought on how to best extend, enhance, and reuse code in an object-oriented system:
12 Answers
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CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清...
...tly have had a need for a decent grid control that has the ability to edit and display numbers, among other things. The best one that I could come up with within my price range (free) was Chris Maunder's MFC Grid 2.25 [^]. But unfortunately, for me it needed some modifications to get it to work the...
How do I measure time elapsed in Java? [duplicate]
...answers posted so far are quite right.
If you are measuring elapsed time, and you want it to be correct, you must use System.nanoTime(). You cannot use System.currentTimeMillis(), unless you don't mind your result being wrong.
The purpose of nanoTime is to measure elapsed time, and the purpose of...
How can bcrypt have built-in salts?
...
This is bcrypt:
Generate a random salt. A "cost" factor has been pre-configured. Collect a password.
Derive an encryption key from the password using the salt and cost factor. Use it to encrypt a well-known string. Store the cost, salt, and cipher text...
Compiling with cython and mingw produces gcc: error: unrecognized command line option '-mno-cygwin'
... using mingw (64-bit).
I'm working with Python 2.6 (Active Python 2.6.6) and with the adequate distutils.cfg file (setting mingw as the compiler)
...
UnicodeDecodeError when reading CSV file in Pandas with Python
I'm running a program which is processing 30,000 similar files. A random number of them are stopping and producing this error...
...
Android AsyncTask testing with Android Test Framework
I have a very simple AsyncTask implementation example and am having problem in testing it using Android JUnit framework.
7...