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How to check if a String contains only ASCII?
...ue if the character is a letter. But is there a way to quickly find if a String only contains the base characters of ASCII?
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How do I split a string so I can access item x?
Using SQL Server, how do I split a string so I can access item x?
44 Answers
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differentiate null=True, blank=True in django
...ngo are never saved as NULL. Blank values are stored in the DB as an empty string ('').
A few examples:
models.DateTimeField(blank=True) # raises IntegrityError if blank
models.DateTimeField(null=True) # NULL allowed, but must be filled out in a form
Obviously, Those two options don't make logi...
How to get orientation-dependent height and width of the screen?
I'm trying to programmatically determine the current height and width of my application. I use this:
11 Answers
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Automapper: Update property values without creating a new object
...ecause I was afraid of the learning curve impacting my schedule. I'm officially sorry I stayed away so long...it's much easier than I initially thought.
– Neil T.
Apr 8 '10 at 23:26
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Converting an integer to a string in PHP
Is there a way to convert an integer to a string in PHP?
14 Answers
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Difference between string object and string literal [duplicate]
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When you use a string literal the string can be interned, but when you use new String("...") you get a new string object.
In this example both string literals refer the same object:
String a = "abc";
String b = "abc";
System.out.println(...
How to add a button dynamically in Android?
How to add a button dynamically in Android?
17 Answers
17
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indexOf method in an object array?
... think to see the performance of this method vs. a simple for loop. Especially when you're running on a mobile platform with limited resources.
– Doug
Aug 17 '15 at 5:51
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What is Double Brace initialization in Java?
... has something like map literals, similar to the existing array literals:
String[] array = { "John", "Doe" };
Map map = new HashMap() {{ put("John", "Doe"); }};
Some people may find this syntactically stimulating.
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