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Read a variable in bash with a default value

... This doesn't actually answer the question. The default value should be displayed in the prompt. – Dr. Person Person II Oct 26 '11 at 0:47 ...
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Why do we need the “finally” clause in Python?

I am not sure why we need finally in try...except...finally statements. In my opinion, this code block 14 Answers ...
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How to center a Window in Java?

... @kleopatra said on another answer, setLocationRelativeTo(null) has to be called after pack() in order to work. – Eusebius Apr 19 '14 at 5:18 6 ...
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Saving a Numpy array as an image

... Remember to scale the values to the right range for PNG, usually 0..255. The value ranges in neural networks are frequently 0..1 or -1..1. – Tomáš Gavenčiak Mar 31 '18 at 18:49 ...
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unbound method f() must be called with fibo_ instance as first argument (got classobj instance inste

... OK, first of all, you don't have to get a reference to the module into a different name; you already have a reference (from the import) and you can just use it. If you want a different name just use import swineflu as f. Second, you are...
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How to include JavaScript file or library in Chrome console?

... aware of the fact that even getElementById() doesn't work consistently on all browsers - see this answer for details.) UPDATE: It's been years since I wrote this answer and I think it's worth pointing out here that today you can use: SystemJS ModuleLoader jspm.io to dynamically load scripts...
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How can I distinguish whether Switch,Checkbox Value is changed by user or programmatically (includin

...; If you want to set checked from code without triggering the listener, call myCheckBox.silentlySetChecked(someBoolean) instead of setChecked. share | improve this answer | ...
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How to get everything after a certain character?

...te fast. $s = '233718_This_is_a_string'; $firstPart = strtok( $s, '_' ); $allTheRest = strtok( '' ); Empty string like this will force the rest of the string to be returned. NB if there was nothing at all after the '_' you would get a FALSE value for $allTheRest which, as stated in the document...
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What are these ^M's that keep showing up in my files in emacs?

So I think it may have to do with textmate, but we work in a small team and are having some issues with full-file conflicts of nearly identical files in git because each line of one branch has a ^M appended to it. ...
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Common use-cases for pickle in Python

...hon data over a TCP connection in a multi-core or distributed system (marshalling) 3) storing python objects in a database 4) converting an arbitrary python object to a string so that it can be used as a dictionary key (e.g. for caching & memoization). There are some issues with the last one ...