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slf4j: how to log formatted message, object array, exception
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As of SLF4J 1.6.0, in the presence of multiple parameters and if the last argument in a logging statement is an exception, then SLF4J will presume that the user wants the last argument to be treated as an exception and not a simple parameter. S...
URL Fragment and 302 redirects
... the Location header field has been changed to allow all
URI references, including relative references and fragments, along
with some clarifications as to when use of fragments would not be
appropriate. (Section 7.1.2)
The important points from Section 7.1.2. Location:
If the Location v...
Batch file to delete files older than N days
I am looking for a way to delete all files older than 7 days in a batch file. I've searched around the web, and found some examples with hundreds of lines of code, and others that required installing extra command line utilities to accomplish the task.
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error: ‘NULL’ was not declared in this scope
I get this message when compiling C++ on gcc 4.3
6 Answers
6
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Memory address of variables in Java
Please take a look at the picture below.
When we create an object in java with the new keyword, we are getting a memory address from the OS.
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Why are primes important in cryptography?
One thing that always strikes me as a non-cryptographer: Why is it so important to use Prime numbers? What makes them so special in cryptography?
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Use of class definitions inside a method in Java
...ss.
2 is the easy one: yes, a class file will be generated.
1 and 3 are kind of the same question. You would use a local class where you never need to instantiate one or know about implementation details anywhere but in one method.
A typical use would be to create a throw-away implementation of ...
Find all controls in WPF Window by type
I'm looking for a way to find all controls on Window by their type,
17 Answers
17
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Testing service in Angular returns module is not defined
I am trying to run the default service unit test in my project (Taken from the Angular Seed project on GitHub), but I keep getting the error "module is not defined".
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Is Dvorak typing appropriate for programming? [closed]
I'm always looking for ways to be more productive, and I've been reading a lot about typing using a Dvorak keyboard.
12 A...