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Extracting .jar file with command line
...the program from inside the folder.
EDIT: Here's another article, specifically focussed on extracting JARs: http://docs.oracle.com/javase/tutorial/deployment/jar/unpack.html
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Reflection - get attribute name and value on property
I have a class, lets call it Book with a property called Name. With that property, I have an attribute associated with it.
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How to view files in binary from bash?
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...and it's preinstalled on Mac OS X and on Linux.
– Sridhar Sarnobat
Sep 5 '17 at 22:36
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How to read a large file - line by line?
... The for line in f treats the file object f as an iterable, which automatically uses buffered I/O and memory management so you don't have to worry about large files.
There should be one -- and preferably only one -- obvious way to do it.
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How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?
...hese instances are objects, you can pass them around, store them, and generally call methods on them. With the support of implicit parameters, it becomes a very powerful tool. Take the following example, for instance:
object Registry {
import scala.reflect.Manifest
private var map= Map.empty[...
Should IBOutlets be strong or weak under ARC?
...t practice from Apple is for IBOutlets to be strong unless weak is specifically needed to avoid a retain cycle. As Johannes mentioned above, this was commented on in the "Implementing UI Designs in Interface Builder" session from WWDC 2015 where an Apple Engineer said:
And the last option I want...
#ifdef replacement in the Swift language
... After i set the custom flag -DLOCAL, on my #if LOCAl #else #endif, it falls into the #else section. I duplicated the original target AppTarget and rename it to AppTargetLocal & set its custom flag.
– Perwyl Liu
Jul 20 '16 at 6:48
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Why declare a struct that only contains an array in C?
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It allows you to pass the array to a function by value, or get it returned by value from a function.
Structs can be passed by value, unlike arrays which decay to a pointer in these contexts.
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Mocking python function based on input arguments
...f side_effect is a function then whatever that function returns is
what calls to the mock return. The side_effect function is called with
the same arguments as the mock. This allows you to vary the return
value of the call dynamically, based on the input:
>>> def side_effect(value):
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Mercurial .hgignore for Visual Studio 2010 projects
...ut an entry that's already there.. Feel free to edit the list and yes I totally agree, it should be added
– Shady M. Najib
Apr 14 '11 at 12:07
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