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Use of def, val, and var in scala
...sed:
scala> something = 5 * 6
<console>:8: error: value something_= is not a member of object $iw
something = 5 * 6
^
When the class is defined like:
scala> class Person(val name: String, var age: Int)
defined class Person
and then instantiated with:
scala> def pe...
Pass Array Parameter in SqlCommand
...The following command creates a table type for integers:
create type int32_id_list as table (id int not null primary key)
2. Implement helper methods
public static SqlCommand AddParameter<T>(this SqlCommand command, string name, IEnumerable<T> ids)
{
var parameter = command.CreateP...
Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...ill somewhat faster than sqrtss.
edit: If speed is critical, and you're really calling this in a loop for many values, you should be using the vectorized versions of these instructions, rsqrtps or sqrtps, both of which process four floats per instruction.
...
Best way to specify whitespace in a String.Split operation
...
If you just call:
string[] ssize = myStr.Split(null); //Or myStr.Split()
or:
string[] ssize = myStr.Split(new char[0]);
then white-space is assumed to be the splitting character. From the string.Split(char[]) method's documentation page...
Where can I set environment variables that crontab will use?
...r/bin/ksh /work1/jleffler/bin/Cron/monthly
The scripts in ~/bin/Cron are all links to a single script, 'runcron', which looks like:
: "$Id: runcron.sh,v 2.1 2001/02/27 00:53:22 jleffler Exp $"
#
# Commands to be performed by Cron (no debugging options)
# Set environment -- not ...
How to ignore SVN folders in WinMerge?
...
f: \.jar$
## Ignore subversion housekeeping directories
d: \\.svn$
d: \\._svn$
Save it, then when selecting items to merge, select the filter you defined from the Select Files or Folders dialog box. Bonus points: It will save this and use it as a default for future merges.
...
“Collection was mutated while being enumerated” on executeFetchRequest
...nator:[self.managedObjectContext persistentStoreCoordinator]];
...in the _importData method (just before to register the controller as observer for the notification) solves the problem.
Thanks for your help, Peter. And thanks to Fred McCann's for its valuable blog post !
...
How to override a JavaScript function
...or preferably extend it's implementation like this
parseFloat = (function(_super) {
return function() {
// Extend it to log the value for example that is passed
console.log(arguments[0]);
// Or override it by always subtracting 1 for example
arguments[0] = argume...
UILabel Align Text to center
... code: // Deprecated: use NSTextAlignment enum in UIKit/NSText.h typedef NS_ENUM(NSInteger, UITextAlignment) { UITextAlignmentLeft = 0, UITextAlignmentCenter, UITextAlignmentRight, // could add justified in future } NS_DEPRECATED_IOS(2_0,6_0);
– a...
Detecting Windows or Linux? [duplicate]
...che commons lang has a class SystemUtils.java
you can use :
SystemUtils.IS_OS_LINUX
SystemUtils.IS_OS_WINDOWS
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