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What does the “Just” syntax mean in Haskell?
...nalysis of values that belong to types with more than one constructor.
In order to use a Maybe a value in a pattern match, you need to provide a pattern for each constructor, like so:
case maybeVal of
Nothing -> "There is nothing!"
Just val -> "There is a value, and it is " ++ (sh...
Ruby - test for array
...
You probably want to use kind_of().
>> s = "something"
=> "something"
>> s.kind_of?(Array)
=> false
>> s = ["something", "else"]
=> ["something", "else"]
>> s.kind_of?(Array)
=> true
...
How do I URL encode a string
...g this category to url-encode a string:
@implementation NSString (NSString_Extended)
- (NSString *)urlencode {
NSMutableString *output = [NSMutableString string];
const unsigned char *source = (const unsigned char *)[self UTF8String];
int sourceLen = strlen((const char *)source);
f...
How is Math.Pow() implemented in .NET Framework?
..., because the problem that you are solving (i.e. the one with integers) is orders of magnitudes simpler, and can be solved in a few lines of C# code with the exponentiation by squaring algorithm.
share
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How to deep watch an array in angularjs?
... @Blazemonger comment (stackoverflow.com/questions/14712089#comment32440226_14713978).
– Sean the Bean
Jun 12 '15 at 19:23
...
How to drop a database with Mongoose?
...the known schemas, and execute an ensureIndex to make sure we're clean
_.each(mongoose.connections[0].base.modelSchemas, function(schema, key) {
asyncFunctions.push(function(cb){
mongoose.model(key, schema).ensureIndexes(function(){
return cb()
})
})
})
...
How to remove the hash from window.location (URL) with JavaScript without page refresh?
... the answer as it requires/forces a page reload!
– Ed_
May 28 '12 at 16:56
11
also think it shoul...
INT 10H 中断介绍 - C/C++ - 清泛网 - 专注C/C++及内核技术
INT 10H 中断介绍int_10h_instructionsINT 10H 是由 BIOS 对屏幕及显示器所提供的服务程序，而后倚天公司针对倚天中文提供了许多服务程序，这些服务程序也加挂在 INT 10H ...
INT 10H 是由 BIOS 对屏幕及显示器所提供的服务程序。使用 INT 10H...
Haskell: Lists, Arrays, Vectors, Sequences
...de has aliased as String. Char lists are convient, but tend to run on the order of 20 times slower than C strings, so feel free to use Data.Text or the very fast Data.ByteString. I'm sure there are other sequence oriented libraries I'm not thinking of right now.
Conclusion
90+% of the time I ne...
How do I convert CamelCase into human-readable names in Java?
...izes the first word and turns underscores into spaces and strips trailing "_id" and any supplied removable tokens.
Maven artifact is: org.modeshape:modeshape-common:2.3.0.Final
on JBoss repository: https://repository.jboss.org/nexus/content/repositories/releases
Here's the JAR file: https://repo...