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Validating URL in Java
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Using only standard API, pass the string to a URL object then convert it to a URI object. This will accurately determine the validity of the URL according to the RFC2396 standard.
Example:
public boolean isValidURL(String url) {
try {
new URL(url).toURI();
} catch (Ma...
How can I view MSIL / CIL generated by C# compiler? Why is it called assembly?
... of compiling it directly to binary code (Native code). High level code is converted into intermediate language (called MSIL aka CIL). But when I compile, I get an exe/Dll file.
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Differences between Java 8 Date Time API (java.time) and Joda-Time
....Calendar (although latter is not type-safe at all due to excessive use of ints).
Performance
See the other answer by @OO7 pointing to the analysis of Mikhail Vorontsov although point 3 (exception catching) is probably obsolete - see this JDK-bug. The different performance (which is in general fav...
Adding List.add() another list
...List<T>.AddRange takes an IEnumerable<T>, so you don't need to convert tripDetails into a List<TripDetails>, you can pass it directly, e.g.:
tripDetailsCollection.AddRange(tripDetails);
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How to iterate over a JSONObject?
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for my case i found iterating the names() works well
for(int i = 0; i<jobject.names().length(); i++){
Log.v(TAG, "key = " + jobject.names().getString(i) + " value = " + jobject.get(jobject.names().getString(i)));
}
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Change Bootstrap input focus blue glow
...r that particular class in the bootstrap.css page mentioned in the step 1.
Convert the color you have picked to RGB and add that to the box-shadow parameter without altering the fourth RGBA parameter (0.25) that bootstrap has for transparency.
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How to get the command line args passed to a running process on unix/linux systems?
...rgs, there will be no spaces between the arguments, because they have been converted to NULs.
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Add a column to existing table and uniquely number them on MS SQL Server
...ver, this could be achieved as follows:
alter table Example
add NewColumn int identity(1,1)
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How to get primary key column in Oracle?
..., cols.column_name, cols.position, cons.status, cons.owner
FROM all_constraints cons, all_cons_columns cols
WHERE cols.table_name = 'TABLE_NAME'
AND cons.constraint_type = 'P'
AND cons.constraint_name = cols.constraint_name
AND cons.owner = cols.owner
ORDER BY cols.table_name, cols.position;
Make ...
What's the false operator in C# good for?
... return false;
}
This is obviously a side effect and not the way it's intended to be used, but it is useful.
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