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How can I determine if a String is non-null and not only whitespace in Groovy?
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.NET Process.Start default directory?
...ry is %SYSTEMROOT%\system32.
You can determine the value of %SYSTEMROOT% by using:
string _systemRoot = Environment.GetEnvironmentVariable("SYSTEMROOT");
Here is some sample code that opens Notepad.exe with a working directory of %ProgramFiles%:
...
using System.Diagnostics;
...
ProcessStar...
Java: Multiple class declarations in one file
... @bvdb: (And there are lots of things which are bad practice but allowed by the spec. I would urge people not to write public int[] foo(int x)[] { return new int[5][5]; } as well, even though that's valid.)
– Jon Skeet
Apr 6 '15 at 15:50
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What's the difference between using “let” and “var”?
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Scoping rules
Main difference is scoping rules. Variables declared by var keyword are scoped to the immediate function body (hence the function scope) while let variables are scoped to the immediate enclosing block denoted by { } (hence the block scope).
function run() {
var foo = "Foo";
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Are there any naming convention guidelines for REST APIs? [closed]
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@Dennis Windows server filesystems are case insensitive by default, unless I'm sorely mistaken technet.microsoft.com/en-us/library/cc725747.aspx
– samspot
Aug 14 '12 at 20:30
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What is the difference between class and instance methods?
...made.
- (id)init; //instance. Constructs object, increments numberOfPeople by one.
- (int)age; //instance. returns the person age
@end
@implementation MNPerson
- (id)init{
if (self = [super init]){
numberOfPeople++;
age = 0;
}
return self;
}
+ (int)population{
...
Update value of a nested dictionary of varying depth
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@Wlerin , it still works; d will have become a Mapping by that point. Here's a test case with multiple keys: update({'A1': 1, 'A2':2}, {'A1': {'B1': {'C1': 3, 'C2':4}, 'B2':2}, 'A3':5}). Do you have an example that doesn't do what you want?
– bscan
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Is asynchronous jdbc call possible?
...nt requests this will spawn a very large number of threads.
Scala actors by default are event-based (not thread-based) - continuation scheduling allows creating millions of actors on a standard JVM setup.
If you're targeting Java, Akka Framework is an Actor model implementation that has a good A...
If I have ACCESS_FINE_LOCATION already, can I omit ACCESS_COARSE_LOCATION?
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What's the difference of $host and $http_host in Nginx
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