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Create a pointer to two-dimensional array
...is provided by the array l_matix itself. The pointers to them take storage from where-ever they are declared in and as (stack, static data segment, ...).
– Johannes Schaub - litb
Jun 27 '09 at 19:32
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Rails 3.1 and Image Assets
... stuff that's driving me crazy as a dude trying to learn Rails having come from other web development frameworks.
– jn29098
Aug 4 '12 at 12:36
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Git log to get commits only for a specific branch
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From what it sounds like you should be using cherry:
git cherry -v develop mybranch
This would show all of the commits which are contained within mybranch, but NOT in develop. If you leave off the last option (mybranch), i...
Converting array to list in Java
...tic class defined inside java.util.Arrays. So if we add or remove elements from the returned list, an UnsupportedOperationException will be thrown. So we should go with list22 when we want to modify the list. If we have Java8 then we can also go with list23.
To be clear list21 can be modified in sen...
What does “|=” mean? (pipe equal operator)
... boolean hasVibrate = DEFAULT_VIBRATE & myFlags; - can you translate from int to boolean like that in Java? That would be valid in C, but I thought in Java it had to be written as boolean hasVibrate = ((DEFAULT_VIBRATE & myFlags) == DEFAULT_VIBRATE);
– BlueRaja - Dan...
Fast Linux File Count for a large number of files
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printf("%s contains %ld files\n", argv[1], count);
return 0;
}
From my testing without regard to cache, I ran each of these about 50 times each against the same directory, over and over, to avoid cache-based data skew, and I got roughly the following performance numbers (in real clock ti...
RESTful URL design for search
...hat they are standard and widely understood and that they can be generated from form-get.
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Found conflicts between different versions of the same dependent assembly that could not be resolved
...on an up to date VS2015 Update 3 or later). Instead turn it to Diagnostic (from Tools->Options->Project and Solutions->Build and Run, set MSBuild project build output verbosity), whereupon you'll see messages such as:
There was a conflict between "Newtonsoft.Json, Version=6.0.0.0, Culture=...
Difference between declaring variables before or in loop?
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Which is better, a or b?
From a performance perspective, you'd have to measure it. (And in my opinion, if you can measure a difference, the compiler isn't very good).
From a maintenance perspective, b is better. Declare and initialize variables in t...
How do I clone a generic List in Java?
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Not really a clone though, is it? From the API docs "There are no guarantees on the type, mutability, serializability, or thread-safety of the List returned". Euw, don't want one of those. toCollection may be a better choice.
– Tom Hawti...