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Difference between a User and a Login in SQL Server
...al entry into the SERVER.
A "User" grants a login entry into a single DATABASE.
One "Login" can be associated with many users (one per database).
Each of the above objects can have permissions granted to it at its own level. See the following articles for an explanation of each
Principals
Data...
How can I tell jackson to ignore a property for which I don't have control over the source code?
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Annotation based approach is better. But sometimes manual operation is needed. For this purpose you can use without method of ObjectWriter.
ObjectMapper mapper = new ObjectMapper().configure(DeserializationFeature.FAIL_ON_UNKNOWN_PRO...
How to lock compiled Java classes to prevent decompilation?
...ection like you are seeking for your application? What does your customer base look like? (Corporates? Or the teenage gamer masses, where this would be more of an issue?)
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Is it possible to solve the “A generic array of T is created for a varargs parameter” compiler warni
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@ChristopherPerry well you have to consider your code base as well. The underlying Collection (in this case an ArrayList) is forced upon the caller, whereas they may know that a LinkedList is more appropriate, or an immutable array itself (such as the varargs from the OP questio...
Linq to Objects: does GroupBy preserve order of elements?
...s.
The IGrouping<TKey, TElement> objects are yielded in an order based on the order of the elements in source that produced the first key of each IGrouping<TKey, TElement>. Elements in a grouping are yielded in the order they appear in source.
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C: What is the difference between ++i and i++?
...ts, but because i++; and i<10 are. @jonnyflash's remark is not that off base. Suppose you have for(int i=0; i++<10){ print i; } and for(int i=0; ++i<10){ print i; }. These will operate differently in the way which @johnnyflash described in the first comment.
– Adam
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Test if element is present using Selenium WebDriver?
...n.
What this does, is tells the browser to look for any and all elements based specified. If it results in 0, that means no elements based on the specification was found. Then i have the code execute an if statement to let me know it was not found.
This is in C#, so translations would need to be ...
Node.js Logging
...of node's console.log functions (optional)
File appender, with log rolling based on file size
SMTP, GELF, hook.io, Loggly appender
Multiprocess appender (useful when you've got worker processes)
A logger for connect/express servers
Configurable log message layout/patterns
Different log levels for di...
How do I find the duplicates in a list and create another list with them?
...anking slightly changes when pypy is used. Most interestingly, the Counter-based approach benefits hugely from pypy's optimizations, whereas the method caching approach I have suggested seems to have almost no effect.
$ pypy -mtimeit -s 'import test' 'test.JohnLaRooy(test.l)'
100000 loops, best of ...
Shared-memory objects in multiprocessing
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# create array in shared memory segment
shared_array_base = multiprocessing.RawArray(ctype, np.prod(dimensions))
# convert to numpy array vie ctypeslib
self.shared_arrays[self.cur] = np.ctypeslib.as_array(shared_array_base)
# do a reshape for correct d...