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@ character before a function call
... function? I have seen that in some code, but its behavior is inconsistent for me so far. In some cases, I do see the error being reported by the configured error handler and in other cases it does seem to get reported.
– fritzmg
Mar 6 '16 at 10:40
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How to use a variable for the key part of a map
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Use this:
def map = [(A):1, (X):2]
For the value-part it's even easier, since there is no automagic "convert text to string" happening:
def map = [keyA:A, keyX:X]
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Colors with unix command “watch”?
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Some newer versions of watch now support color.
For example watch --color ls -ahl --color.
Related.
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Store print_r result into a variable as a string or text
... , so a simple thing, just declare a variable and assign the data to it..
for example you are printing some array like this..
print_r(myArray);
to save this, you just have to add an option , set Return to TRUE and assign it to a variable
$myVariable=print_r(myArray, TRUE);
if you need some m...
How do I convert a string to a lower case representation?
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can anyone explain the concept of special case? for example, I want to compare user input, which are unicode strings, against a stored set of unicode strings and find matches, after lowercasing both sets. would u need tolowerspecial() is this case?
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Empty Git submodule folder when repo cloned
...after the fact with git submodule update --init, if you already cloned but forgot --recursive.
– Amber
Jul 6 '12 at 7:56
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Android Closing Activity Programmatically
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You Can use just finish(); everywhere after Activity Start for clear that Activity from Stack.
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Gradle buildscript dependencies
...he classpath of your build and that you can refer to from your build file. For instance extra plugins that exist on the internet.
The repositories on the root level are used to fetch the dependencies that your project depends on. So all the dependencies you need to compile your project.
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explicit casting from super class to subclass
... cast objects in different inheritence hierarchies (cast a Dog to a String for example) then the compiler will throw it back at you because it knows that could never possibly work.
Because you're essentially just stopping the compiler from complaining, every time you cast it's important to check th...
Write to .txt file?
... can I write a little piece of text into a .txt file?
I've been Googling for over 3-4 hours, but can't find out how to do it.
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