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The most sophisticated way for creating comma-separated Strings from a Collection/Array/List?
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I found the iterator idiom elegant, because it has a test for more elements (ommited null/empty test for brevity):
public static String convert(List<String> list) {
String res = "";
for (Iterator<String> iterator = list.iterator(); iterator.hasNext();) {
...
Is it possible to override JavaScript's toString() function to provide meaningful output for debuggi
...oString: function() {
return this.type;
}
};
//Various ways to test .toString() Override
console.log(car.toString());
console.log(car);
alert(car.toString());
alert(car);
//Defined carPlus Object
var carPlus = {
type: "Fiat",
model: 500,
color: "white",
//.toString() ...
Replace multiple characters in one replace call
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Use the OR operator (|):
var str = '#this #is__ __#a test###__';
str.replace(/#|_/g,''); // result: "this is a test"
You could also use a character class:
str.replace(/[#_]/g,'');
Fiddle
If you want to replace the hash with one thing and the underscore with another, then ...
AngularJS: How to clear query parameters in the URL?
...o not use window, use Angular's $window instead. It will be easier to unit test. More: docs.angularjs.org/api/ng/service/$window
– Julius
Sep 3 '15 at 20:23
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Extracting an attribute value with beautifulsoup
... tag object that you get using find_all:
xmlData = None
with open('conf//test1.xml', 'r') as xmlFile:
xmlData = xmlFile.read()
xmlDecoded = xmlData
xmlSoup = BeautifulSoup(xmlData, 'html.parser')
repElemList = xmlSoup.find_all('repeatingelement')
for repElem in repElemList:
print("Proc...
Convert InputStream to byte array in Java
...es the requirement, and deals with processing for large files, and is well tested, surely the question is why would I write it myself? The jar is only 107KB and if you have need for one method from it, you are likely to use others too
– Rich Seller
Aug 12 '09 a...
Getting name of the class from an instance
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if all you want to do is test an object to see if it's a type of a certain Class
BOOL test = [self isKindOfClass:[SomeClass class]];
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impro...
launch sms application with an intent
... here, I put what you've done in the manifest and nothing happen... I have test my button with an other function et this one don't want to go!!
– Olivier69
Mar 3 '10 at 16:41
22
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Generate a random alphanumeric string in Cocoa
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Here's a quick and dirty implementation. Hasn't been tested.
NSString *letters = @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
-(NSString *) randomStringWithLength: (int) len {
NSMutableString *randomString = [NSMutableString stringWithCapacity: len]...
Find all files in a directory with extension .txt in Python
...ob
>>> glob.glob('./*.txt')
['./outline.txt', './pip-log.txt', './test.txt', './testingvim.txt']
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