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Convert a float64 to an int in Go
... Such casts have a problem in Go that can be unexpected (at least if you come from Java): "In all non-constant conversions involving floating-point or complex values, if the result type cannot represent the value the conversion succeeds but the result value is implementation-dependent." (go...
How to pip or easy_install tkinter on Windows
...ws, I believe you installed Python through the binaries on their website?
If so, Then most probably you are typing the command wrong. It should be:
import Tkinter as tk
Note the capital T at the beginning of Tkinter.
For Python 3,
import tkinter as tk
...
What are all the common undefined behaviours that a C++ programmer should know about? [closed]
What are all the common undefined behaviours that a C++ programmer should know about?
11 Answers
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Catching java.lang.OutOfMemoryError?
...same amount of allocated objects as before the unsuccessful allocation and now is the time to drop references to run-time objects to free even more memory that may be required for cleanup. In these cases, it may even be possible to continue but that would definitely be a bad idea as you can never be...
iPhone: How to get current milliseconds?
...SDate.timeIntervalSince1970;// all those brackets are really old fashioned if you ask me.
– Pizzaiola Gorgonzola
Oct 2 '13 at 13:27
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How do I “source” something in my .vimrc file?
...order. You source with the command :source (usually shortened to :so).
So if you source myStuff.vim
:so myStuff.vim
and if myStuff.vim contained these lines
set xx iI just intersted this<C-]>
set yy bbbb4dw
It's the same as if you typed those commands into Vim
:set xx iI just intersted...
How do you get a Golang program to print the line number of the error it just called?
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Yes, if you're using a custom log you can use it like var mylog = log.New(os.Stderr, "app: ", log.LstdFlags | log.Lshortfile).
– OneOfOne
Jul 17 '14 at 18:33
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How to override toString() properly in Java?
..., this.getKidName(), this.getHeight(), this.getGregCalendar());
}
}
Now you can unit test by create the Kid, setting the properties, and doing your own string.format on the ToStringTemplate and comparing.
making ToStringTemplate static-final means "ONE VERSION" of the truth, rather than havi...
How do I display the current value of an Android Preference in the Preference summary?
...f another loop in onCreate(). Change in behavior: nested PreferenceScreens now also ge handled recursively.
– Lekensteyn
Jun 3 '14 at 12:31
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Finding local maxima/minima with Numpy in a 1D numpy array
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If you are looking for all entries in the 1d array a smaller than their neighbors, you can try
numpy.r_[True, a[1:] < a[:-1]] & numpy.r_[a[:-1] < a[1:], True]
You could also smooth your array before this step usi...