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When to use AtomicReference in Java?
...use any object that holds a reference, even a Collection that has only one item. However, the AtomicReference is a perfect fit.
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Which method performs better: .Any() vs .Count() > 0?
...ntent of the developer. If you are not interested in knowing the number of items, but only if there are some, then somecollection.Any() is simpler and clearer than somecollection.Count > 0
– T.J.Kjaer
Nov 22 '10 at 8:21
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Why isn't my Pandas 'apply' function referencing multiple columns working? [closed]
...This could
mean that an intermediate result is being cached. 1000 loops, best of
3: 481 µs per loop
Example 2: vectorize using pandas.apply():
%%timeit
df['a'] % df['c']
The slowest run took 458.85 times longer than the fastest. This could
mean that an intermediate result is being ca...
doGet and doPost in Servlets
...p").forward(request, response);
}
}
<table>
<c:forEach items="${products}" var="product">
<tr>
<td>${product.name}</td>
<td><a href="product?id=${product.id}">detail</a></td>
</tr>
<...
Iterate over the lines of a string
...asurement):
$ python -mtimeit -s'import asp' 'list(asp.f3())'
1000 loops, best of 3: 370 usec per loop
$ python -mtimeit -s'import asp' 'list(asp.f2())'
1000 loops, best of 3: 1.36 msec per loop
$ python -mtimeit -s'import asp' 'list(asp.f1())'
10000 loops, best of 3: 61.5 usec per loop
Note we n...
What's is the difference between train, validation and test set, in neural networks?
.... You basically have adapted the model and hyper-parameters to produce the best model for that particular training set.
A common solution is to split the training set further to create a validation set. Now you have
training set
testing set
validation set
You proceed as before but this time you...
Using a bitmask in C#
...rameter on the querystring is most of the time sufficient for nonsensitive items. Try to send 128 bool values on a querystring to communicate with an external site. This also gives the added ability of not pushing the limit on url querystrings in browsers
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Differences between .NET 4.0 and .NET 4.5 in High level in .NET
...ser interface components.
Ability to check whether the data context for an item container is
disconnected.
Ability to set the amount of time that should elapse between property
changes and data source updates.
Improved support for implementing weak event patterns. Also, events
can now accept markup ...
How to force Chrome's script debugger to reload javascript?
...tton, while Chrome Dev Tools is opened.
Empty cache and hard reload works best for me.
Another Advantage: This option keeps all other opened tabs and website data untouched. It only reloads and clears the current page.
sha...
Merging two arrays in .NET
...In C# 2.0 you don't have such a direct way, but Array.Copy is probably the best solution:
int[] front = { 1, 2, 3, 4 };
int[] back = { 5, 6, 7, 8 };
int[] combined = new int[front.Length + back.Length];
Array.Copy(front, combined, front.Length);
Array.Copy(back, 0, combined, front.Length, back.Len...