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Difference between jar and war in Java
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From Java Tips: Difference between ear jar and war files:
These files are simply zipped files
using the java jar tool. These files are
created for different purposes. Here
is the description of these files:
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IntelliJ IDEA shows errors when using Spring's @Autowired annotation
... class implementation is a @Service or @Component.
Solve it just changing from Error to Warning(Pressing Alt + Enter).
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How to convert a private key to an RSA private key?
Let me explain my question first. I bought a certificate from a CA and used the following format to generate the csr and the private key:
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PHP - How to check if a string contains a specific text [duplicate]
...ronizaçãoSA The ! operator will affect the falsiness of the return value from strpos which means === won't work the way it's intended.
– Dai
Jun 27 '18 at 15:04
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Understanding the ngRepeat 'track by' expression
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I have a list of 700 odd items. Render time went from 4 seconds to 100ms. Track by should be used for all ngRepeat's based on data sourced from rest.
– Patrick
Nov 3 '16 at 1:04
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What and When to use Tuple? [duplicate]
...sy access to, and manipulation of, a data set.
To return multiple values from a method without using out parameters
(in C#) or ByRef parameters (in Visual Basic).
To pass multiple values to a method through a single parameter. For
example, the Thread.Start(Object) method has a single paramet...
NSUserDefaults removeObjectForKey vs. setObject:nil
...l.
here is how to test if setting key value to nil removed the key entry from NSUserDefaults standardUserDefaults.
NSArray *keys = [[[NSUserDefaults standardUserDefaults] dictionaryRepresentation] allKeys] copy];
for(NSString *key in keys) {
NSLog(@"Key Name: %@", key);
}
[keys release]...
Error: Can't set headers after they are sent to the client
...At least with the current npm install connect, which looks quite different from the one github as of this post). When the server gets a request, it iterates over the stack, calling the (request, response, next) method.
The problem is, if in one of the middleware items writes to the response body o...
Strip spaces/tabs/newlines - python
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Use str.split([sep[, maxsplit]]) with no sep or sep=None:
From docs:
If sep is not specified or is None, a different splitting algorithm is
applied: runs of consecutive whitespace are regarded as a single
separator, and the result will contain no empty strings at the start
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In Objective-C, what is the equivalent of Java's “instanceof” keyword?
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From Wikipedia:
In Objective-C, for example, both the
generic Object and NSObject (in
Cocoa/OpenStep) provide the method
isMemberOfClass: which returns true if
the argument to the method is an
instance of the sp...