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Getting number of elements in an iterator in Python
...t the "size" of an iterator is simply to count the number of times you've gone through the iteration, right? In this case, it'd be numIters = 0 ; while iterator: numIters +=1?
– Mike Williamson
Mar 11 '14 at 23:33
...
A JRE or JDK must be available in order to run Eclipse. No JVM was found after searching the followi
...file was missing in JDK's JRE installation. After I reinstalled the standalone JRE from http://java.com, overwriting the old one, the GlassFish installer continued and also Eclipse was able to start flawlessly without those two lines in eclipse.ini.
...
When to use an interface instead of an abstract class and vice versa?
... Duncan Malashock, not really. Jorge's answer is the better one. Alex's answer focuses on mechanics, while Jorge's more on semantics.
– Nazar Merza
Mar 18 '16 at 16:07
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“open/close” SqlConnection or keep open?
...
Always close connections as soon as you are done with them, so they underlying database connection can go back into the pool and be available for other callers. Connection pooling is pretty well optimised, so there's no noticeable penalty for doing so. The advice is b...
How to convert from System.Enum to base integer?
.../ results in 5 which is int value of Friday
EDIT 2: In the comments, someone said that this only works in C# 3.0. I just tested this in VS2005 like this and it worked:
public static class Helpers
{
public static int ToInt(Enum enumValue)
{
return Convert.ToInt32(enumValue);
}
...
Are typedef and #define the same in c?
...is a compiler token: the preprocessor does not care about it.
You can use one or the other to achieve the same effect, but it's better to use the proper one for your needs
#define MY_TYPE int
typedef int My_Type;
When things get "hairy", using the proper tool makes it right
#define FX_TYPE void...
How can I set up an editor to work with Git on Windows?
...DiffMerge, and WinMerge)
lightfire228 adds in the comments:
For anyone having an issue where N++ just opens a blank file, and git doesn't take your commit message, see "Aborting commit due to empty message": change your .bat or .sh file to say:
"<path-to-n++" .git/COMMIT_EDITMSG -<ar...
Converting between strings and ArrayBuffers
...he UTF-8 range in the example they will be encoded to two bytes instead of one.
For general use you would use UTF-16 encoding for things like localStorage.
TextDecoder
Likewise, the opposite process uses the TextDecoder:
The TextDecoder interface represents a decoder for a specific method,
...
slf4j: how to log formatted message, object array, exception
...FAQ entry.
So, writing (in SLF4J version 1.7.x and later)
logger.error("one two three: {} {} {}", "a", "b",
"c", new Exception("something went wrong"));
or writing (in SLF4J version 1.6.x)
logger.error("one two three: {} {} {}", new Object[] {"a", "b",
"c", new E...
Regular expression matching a multiline block of text
...ne. This defines what I will call a textline.
((?:textline)+) means match one or more textlines but do not put each line in a group. Instead, put all the textlines in one group.
You could add a final \n in the regular expression if you want to enforce a double newline at the end.
Also, if you are n...