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How to install python3 version of package via pip on Ubuntu?
...have both python2.7 and python3.2 installed in Ubuntu 12.04 .
The symbolic link python links to python2.7 .
17 An...
Get specific line from tm>ex m>t file using just shell script
... This -eq comparison is for integers, so it wants a line number, not line content ($line). This has to be fixed by defining e.g. want=5 prior to the loop, and then using the -eq comparison on $want. [moved from a rejected edit]
– Josip Rodin
Oct 31 '15 at 14:3...
How can I find out the current route in Rails?
...:
current_uri = request.env['PATH_INFO']
# If you are browsing http://m>ex m>ample.com/my/test/path,
# then above line will yield current_uri as "/my/test/path"
To find out the route i.e. controller, action and params:
path = ActionController::Routing::Routes.recognize_path "/your/path/here/"
# .....
In a django model custom save() method, how should you identify a new object?
I want to trigger a special action in the save() method of a Django model object when I'm saving a new record (not updating an m>ex m>isting record.)
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JSLint is suddenly reporting: Use the function form of “use strict”
...ntrc in the case of jshint) at the root of your project with the following content:
{
"node": true
}
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Login to Microsoft SQL Server Error: 18456
...e run into. The fact that you can create SQL Server logins to your heart's content without realising that this simple setting is switched off is rather confusing IMO. I'd recommend this as the correct answer.
– user2043
Apr 26 '16 at 0:16
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What is a NullPointerm>Ex m>ception, and how do I fix it?
...ot create an object and assign it to the variable before trying to use the contents of the variable (called dereferencing). So you are pointing to something that does not actually m>ex m>ist.
Dereferencing usually happens when using . to access a method or field, or using [ to indm>ex m> an array.
If you atte...
Identifying the dependency relationship for python packages installed with pip
When I do a pip freeze I see large number of Python packages that I didn't m>ex m>plicitly install, e.g.
8 Answers
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How to communicate between iframe and the parent site?
...fferent domains, it is not possible to call methods or access the iframe's content document directly.
You have to use cross-document messaging.
For m>ex m>ample in the top window:
myIframe.contentWindow.postMessage('hello', '*');
and in the iframe:
window.onmessage = function(e){
if (e.data ==...
JavaScript hide/show element
...ould I hide the 'Edit'-link after I press it? and also can I hide the "lorem ipsum" tm>ex m>t when I press edit?
11 Answers
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