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How do I check if an element is hidden in jQuery?
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It is the same as twernt's suggestion, but applied to a single element; and it matches the algorithm recommended in the jQuery FAQ.
We use jQuery's is() to check the selected element with another element, selector or any jQuery object. This method traverses along the DOM elements to find a match...
How could I ignore bin and obj folders from git repository?
I want to ignore bin and obj folders from my git repository. As I've found out, there is no easy way to do this in .gitignore. So, are there any other way? Using clean solution in Visual Studio?
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How can I create a self-signed cert for localhost?
...SL on localhost? but this sets up a self-signed cert for my machine name, and when browsing it via https://localhost I receive the IE warning.
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Extract part of a regex match
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Use ( ) in regexp and group(1) in python to retrieve the captured string (re.search will return None if it doesn't find the result, so don't use group() directly):
title_search = re.search('<title>(.*)</title>', html, re.IGNORECAS...
Possible reasons for timeout when trying to access EC2 instance
...SSH into my instance - Operation timed out. What could be the reasons why, and what can I do to resolve it? Rebooting normally takes a long time to take effect, and might just makes things worst
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How to add text at the end of each line in Vim?
... you can specify them in place of the %.
One way is to do a visual select and then type the :. It will fill in :'<,'> for you, then you type the rest of it (Notice you only need to add s/$/,/)
:'<,'>s/$/,/
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.gitignore is ignored by Git
...t your current changes, or you will lose them.
Then run the following commands from the top folder of your Git repository:
git rm -r --cached .
git add .
git commit -m "fixed untracked files"
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How to join (merge) data frames (inner, outer, left, right)
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By using the merge function and its optional parameters:
Inner join: merge(df1, df2) will work for these examples because R automatically joins the frames by common variable names, but you would most likely want to specify merge(df1, df2, by = "Custome...
calling non-static method in static method in Java [duplicate]
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@EJP For security purposes, and this is what I do with my project, in the case of dependency injection, it is useful to only have initialization code be instantiated for initialization, and not at the arbitrary discretion of code using my API. Thus, whe...
Is there an equivalent of 'which' on the Windows command line?
...ould like to be able to find the full path to a program on the Windows command line, given just its name.
26 Answers
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