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How can i get the session object if i have the entity-manager
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How to check if a given directory exists in Ruby
...atic way to write the method would be to take advantage of the fact that Ruby automatically returns the result of the last expression inside the method. Thus, you could write it like this:
def directory_exists?(directory)
File.directory?(directory)
end
Note that using a method is not necessary ...
Function of Project > Clean in Eclipse
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How to change ProgressBar's progress indicator color in Android
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Please help me. I try to create greenprogress.xml by copy your code but the Android Studio 0.4.6 mark <layer-list> as and error "Element-list must be declared" what should I do?
– UmAnusorn
Feb 25 '14 at 9:22
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How to convert a NumPy array to PIL image applying matplotlib colormap
..._earth is an instance), I discovered that it's possible to call it with a "bytes" argument which already converts it to uint8. Then, the one-liner gets a lot quieter: im = Image.fromarray(cm.gist_earth(myarray, bytes=True))
– heltonbiker
Jun 13 '12 at 4:20
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count members with jsonpath?
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Bootstrap datepicker hide after selection
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It's looks like autoclose is set to false by default... $(".date").datepicker({... autoclose: true, ... }); works nice !!!
– Dani
Feb 27 '19 at 8:44
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C#: List All Classes in Assembly
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Is there a way to specify an “empty” C# lambda expression?
...;
// Another example:
var lOrderedStrings = GetCollectionOfStrings().OrderBy(Functions.Identity);
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MySQL: What's the difference between float and double?
...recision, while a DOUBLE is for double-precision numbers.
MySQL uses four bytes for single-precision values and eight bytes for double-precision values.
There is a big difference from floating point numbers and decimal (numeric) numbers, which you can use with the DECIMAL data type. This is used t...