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Java String split removed empty values
...[] split = data.split("\\|", -1);
Little more details:
split(regex) internally returns result of split(regex, 0) and in documentation of this method you can find (emphasis mine)
The limit parameter controls the number of times the pattern is applied and therefore affects the length of the resultin...
How do I check if a column is empty or null in MySQL?
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This will select all rows where some_col is NULL or '' (empty string)
SELECT * FROM table WHERE some_col IS NULL OR some_col = '';
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Converting many 'if else' statements to a cleaner approach [duplicate]
...ng this approach you could easily add different converters in the future.
All untested, probably doesn't compile, but you get the idea
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Angular IE Caching issue for $http
All the ajax calls that are sent from the IE are cached by Angular and I get a 304 response for all the subsequent calls. Although the request is the same, the response is not going be the same in my case. I want to disable this cache. I tried adding the cache attribute to $http.get but still it...
Intercept page exit event
...ser might decide to navigate to another website and in doing so could lose all the edits they have not saved.
4 Answers
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Regular expression matching a multiline block of text
...)((?:(?:\n|\r\n?).+)+)", re.MULTILINE)
BTW, you don't want to use the DOTALL modifier here; you're relying on the fact that the dot matches everything except newlines.
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Convert String to Type in C# [duplicate]
...he type (with its namespace, of course) if the type is in mscorlib or the calling assembly. Otherwise, you've got to include the assembly name as well:
Type type = Type.GetType("Namespace.MyClass, MyAssembly");
If the assembly is strongly named, you've got to include all that information too. See...
SQL, Postgres OIDs, What are they and why are they useful?
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OIDs basically give you a built-in id for every row, contained in a system column (as opposed to a user-space column). That's handy for tables where you don't have a primary key, have duplicate rows, etc. For example, if you have a t...
What does value & 0xff do in Java?
... that notation? x isn't a number or a hex number?
– Callat
Dec 5 '16 at 18:56
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@KazRodgers - The...
How to check if a String contains only ASCII?
The call Character.isLetter(c) returns true 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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