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Trim a string based on the string length
...nts, or (worse) truncate in the middle of a surrogate pair. On the other hand, String.length() is no longer an ideal measure of Unicode text length, so trimming based on it may be the wrong thing to do.
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How to convert std::string to LPCWSTR in C++ (Unicode)
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(Found this question browsing randomly; it's been a long time since I did C++.) So the standard library doesn't have std::string -> std::wstring conversion? That seems weird; is there a good reason?
– Domenic
Jul 2...
JSON Array iteration in Android/Java
I am building an android app that needs to download and synchronise with an online database, I am sending my query from the app to a php page which returns the relevant rows from a database in JSON format.
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How to scale a UIImageView proportionally?
I have a UIImageView and the objective is to scale it down proportionally by giving it either a height or width.
17 Answer...
How to convert JSON string to array
... invalid (for example, no quoted keys). That's what the documentation says and that's what my PHP 5.2 installation returns. Are you using a function other than the official, built-in json_decode()? What does var_dump(json_decode($str, true)); return?
– RickN
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Storing custom objects in an NSMutableArray in NSUserDefaults
...ed to grab the array:
NSUserDefaults *currentDefaults = [NSUserDefaults standardUserDefaults];
NSData *dataRepresentingSavedArray = [currentDefaults objectForKey:@"savedArray"];
if (dataRepresentingSavedArray != nil)
{
NSArray *oldSavedArray = [NSKeyedUnarchiver unarchiveObjectWithData:dataRepr...
Jquery .on() submit event
...r" ), also I add another one form.remember using AJAX.
So, I want it to handle submit event something like:
3 Answers
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Is it possible to specify condition in Count()?
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what if my field is integer and I want to match null. it doesn't work this way select count(case IntegerField when 'NULL' then 1 else null end) from
– Faizan
Aug 31 '16 at 10:16
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How can you hide database output in Rails console?
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Thanks. And to turn it back on, ActiveRecord::Base.logger.level = 0.
– thebenedict
Nov 19 '13 at 8:34
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$watch'ing for data changes in an Angular directive
...ntroduced $watchCollection
Shallow watches the properties of an object and fires whenever any of the properties change (for arrays, this implies watching the array items; for object maps, this implies watching the properties)
scope.$watchCollection('val.children', function(newValue, oldValue) ...