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Java optional parameters
...s to simulate optional parameters in Java:
Method overloading.
void foo(String a, Integer b) {
//...
}
void foo(String a) {
foo(a, 0); // here, 0 is a default value for b
}
foo("a", 2);
foo("a");
One of the limitations of this approach is that it doesn't work if you have two optional ...
Allow multiple roles to access controller action
...you need to authorize. If you have more than one, you're duplicating those string constants (yuck). I much prefer the static class that has the role names. My pet hate is duplicate strings... so so bad.
– robnick
Aug 17 '18 at 0:55
...
Instantiate and Present a viewController in Swift
...*
Helper to Switch the View based on StoryBoard
@param StoryBoard ID as String
*/
func switchToViewController(identifier: String) {
let viewController = self.storyboard?.instantiateViewControllerWithIdentifier(identifier) as! UIViewController
self.navigationController?.setViewControllers(...
UDP vs TCP, how much faster is it? [closed]
...gh, a missing or 'rearranged' packet is critical. You'd have to write some extra code to run on top of UDP to retry if things got missed, and enforce correct order. This would add a small bit of overhead in certain places.
Thankfully, some very very smart people have done this, and they called it T...
RESTful password reset
...Note: As @DougDomeny mentioned in his comment passing the email as a query string in the url is a security risk. GET parameters are not exposed when using https (and you should always use a proper https connection for such requests) but there are other security risks involved. You can read more on t...
Convert a list of objects to an array of one of the object's properties
...
fantastic solution. I wanted to access the String "id" in my Object-List. Worked perfect List<String> somestringlist = myobjectlist.Select(x => x.id).ToList();
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Is it good style to explicitly return in Ruby?
...r side-effects. So, methods in which the return value is important, get an extra return keyword to draw attention to the return value.
I use the same distinction when calling methods: functional methods get parentheses, procedural methods don't.
And last but not least, I also use that distinction ...
Send a file via HTTP POST with C#
...ts. Here is an example:
private async Task<System.IO.Stream> Upload(string actionUrl, string paramString, Stream paramFileStream, byte [] paramFileBytes)
{
HttpContent stringContent = new StringContent(paramString);
HttpContent fileStreamContent = new StreamContent(paramFileStream);
...
Efficiency of premature return in a function
...
@Philip what register addition? There is no extra instruction in the path at all.
– Marquis of Lorne
Oct 26 '11 at 1:15
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Using Git, how could I search for a string across all branches?
...Git, how could I search within all files in all local branches for a given string?
5 Answers
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