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Programmatically change log level in Log4j2
...ersion 2.4 FAQ
You can set a logger’s level with the class Configurator from Log4j Core. BUT be aware that the Configurator class is not part of the public API.
// org.apache.logging.log4j.core.config.Configurator;
Configurator.setLevel("com.example.Foo", Level.DEBUG);
// You can also set the r...
HTML tag want to add both href and onclick working
... at fiddle.jshell.net/_display was not allowed to display insecure content from example.com - so probably this is some security issue (only on fiddle ? )
– Kamil Kiełczewski
Oct 7 '18 at 16:46
...
How does the “this” keyword work?
...not called on an object, ThisBinding is set to window.
This is different from Python, in which accessing a method (obj.myMethod) creates a bound method object.
var obj = {
myMethod: function () {
return this; // What is `this` here?
}
};
var myFun = obj.myMethod;
console.log("...
Convert a 1D array to a 2D array in numpy
...B = np.reshape(A, (-1, 2))
where -1 infers the size of the new dimension from the size of the input array.
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How to solve error message: “Failed to map the path '/'.”
...rify further, I ended up changing the app pool identity for my web service from "ApplicationPoolIdentity" to "Network Service".
– Mary Hamlin
Sep 1 '12 at 23:34
65
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Are the shift operators () arithmetic or logical in C?
... i
Shifting
First is the difference between logical and arithmetic shifts from a mathematical viewpoint, without worrying about data type size. Logical shifts always fills discarded bits with zeros while arithmetic shift fills it with zeros only for left shift, but for right shift it copies the MSB...
Is there an easy way to add a border to the top and bottom of an Android View?
... transparency and just displaying a border at one side of the view. Answer from user1051892 below did the job!
– Rick Pastoor
Jul 12 '13 at 8:57
8
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What does “atomic” mean in programming?
...nchronization mechanisms in order to make sure that the operation is seen, from any other thread, as a single, atomic (i.e. not splittable in parts), operation. That means that any other thread, once the operation is made atomic, will either see the value of foo before the assignment, or after the a...
The remote end hung up unexpectedly while git cloning
...lue):
git config --global http.postBuffer 1048576000
More information:
From the git config man page, http.postBuffer is about:
Maximum size in bytes of the buffer used by smart HTTP transports when POSTing data to the remote system.
For requests larger than this buffer size, HTTP/1.1 and T...
How do I compile C++ with Clang?
... This is too limiting to be actually useful unless you build entire thing from source. It's better to just use clang++ and let it detect what kind of files you supply to it. When a project can contain .cpp files, .ll files (llvm ir) and .o, .a, .so and what not files from third party libraries, cl...