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Java, Classpath, Classloading => Multiple Versions of the same jar/project
...hem loaded (and all their dependencies) by two different classloaders overriding default behaviour.
A rough example:
ClassLoader loaderA = new MyClassLoader(libPathOne);
ClassLoader loaderB = new MyClassLoader(libPathTwo);
Object1 obj1 = loaderA.loadClass("first.class.binary.name", true...
Golang production web application configuration
...t on runlevel [2345]
stop on runlevel [!2345]
chdir /home/myapp/myapp
setgid myapp
setuid myapp
exec ./myapp start 1>>_logs/stdout.log 2>>_logs/stderr.log
Another aspect is deployment. One option is to deploy by just sending binary file of the program and necessary assets. This is a p...
Single Line Nested For Loops
...nt structure for loop? And how would it look?
Sure, but it's not a great idea. Here, for example, gives you a list of lists of characters:
[[ch for ch in word] for word in ("apple", "banana", "pear", "the", "hello")]
sha...
Python constructors and __init__
...tance of Test to have an attribute x equal to 10, you can put that code inside __init__:
class Test(object):
def __init__(self):
self.x = 10
t = Test()
print t.x
Every instance method (a method called on a specific instance of a class) receives the instance as its first argument. Tha...
Scrolling a flexbox with overflowing content
... Note that Firefox currently only supports "min-content" for width values, not height values -- so this won't work in Firefox, if that matters to you. (See e.g. bugzilla.mozilla.org/show_bug.cgi?id=852367 )
– dholbert
Feb 5 '14 at 23:53
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Using TortoiseSVN how do I merge changes from the trunk to a branch and vice versa?
...mand -Merge two different trees- is only usefull when you want to step outside the normal branching behavior. (E.g. Comparing different releases and then merging the differenct to yet another branch)
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When I catch an exception, how do I get the type, file, and line number?
... edited Feb 20 '13 at 18:51
David Cain
13.4k1010 gold badges6161 silver badges6868 bronze badges
answered Aug 14 '09 at 16:09
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omp parallel vs. omp parallel for
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#pragma omp parallel spawns a group of threads, while #pragma omp for divides loop iterations between the spawned threads. You can do both things at once with the fused #pragma omp parallel for directive.
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What's the difference between std::move and std::forward
...irement, typically a function accepting a reference to an rvalue will invalidate it. When you see std::move, it indicates that the value of the object should not be used afterwards, but you can still assign a new value and continue using it.
std::forward has a single use case: to cast a templated f...
What's the difference between Invoke() and BeginInvoke()
...ple, if you have a Person with FirstName and LastName properties, and you did:
person.FirstName = "Kevin"; // person is a shared reference
person.LastName = "Spacey";
control.BeginInvoke(UpdateName);
person.FirstName = "Keyser";
person.LastName = "Soze";
Then the UI may well end up displaying "Ke...