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How do I find the length (or dimensions, size) of a numpy matrix in python? [duplicate]
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matrix.size according to the numpy docs returns the Number of elements in the array. Hope that helps.
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How to check postgres user and password? [closed]
A friend of mine done this config on my mac. But I don't know the username and password he had chosen.
2 Answers
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print memory address of Python variable [duplicate]
How do I print the memory address of a variable in Python 2.7?
I know id() returns the 'id' of a variable or object, but this doesn't return the expected 0x3357e182 style I was expecting to see for a memory address.
I want to do something like print &x , where x is a C++ int variable for exam...
How to undo last commit [duplicate]
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Warning: Don't do this if you've already pushed
You want to do:
git reset HEAD~
If you don't want the changes and blow everything away:
git reset --hard HEAD~
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How do I zip two arrays in JavaScript? [duplicate]
... @runawaykid The answer is correct. You can see the MDN map documentation on the callback parameter. Params are (in order): currentvalue, index, array
– icc97
Jan 6 '17 at 15:22
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What do {curly braces} around javascript variable name mean [duplicate]
...illa JS extensions (use moz) and this however after reading it I still don't understand why it is used
1 Answer
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The following sections have been defined but have not been rendered for the layout page “~/Views/Sha
... @Eonasdan wow that's awesome! when did they add that feature? please don't tell me v1.0 :-/
– Simon_Weaver
Sep 2 '15 at 1:26
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How to change a Git remote on Heroku
I do not want to upload my app to the wrong domain.
7 Answers
7
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How can I listen to the form submit event in javascript?
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Why do people always use jQuery when it isn't necessary?
Why can't people just use simple JavaScript?
var ele = /*Your Form Element*/;
if(ele.addEventListener){
ele.addEventListener("submit", callback, false); //Modern brow...