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How can I remove an SSH key?
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Note that there are at least two bug reports for ssh-add -d/-D not removing keys:
"Debian Bug report #472477: ssh-add -D does not remove SSH key from gnome-keyring-daemon memory"
"Ubuntu: ssh-add -D deleting all identities does not work. Also, why are all identities au...
Replace values in list using Python [duplicate]
...d a new list with a list comprehension:
new_items = [x if x % 2 else None for x in items]
You can modify the original list in-place if you want, but it doesn't actually save time:
items = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
for index, item in enumerate(items):
if not (item % 2):
items...
How can I get all the request headers in Django?
...import re
regex = re.compile('^HTTP_')
dict((regex.sub('', header), value) for (header, value)
in request.META.items() if header.startswith('HTTP_'))
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SQL order string as number
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select col from yourtable
order by cast(col as unsigned)
or implicitly for instance with a mathematical operation which forces a conversion to number
select col from yourtable
order by col + 0
BTW MySQL converts strings from left to right. Examples:
string value | integer value after conv...
transform object to array with lodash
How can I transform a big object to array with lodash?
11 Answers
11
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jQuery `.is(“:visible”)` not working in Chrome
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It seems jQuery's :visible selector does not work for some inline elements in Chrome. The solution is to add a display style, like "block" or "inline-block" to make it work.
Also note that jQuery has a somewhat different definition of what is visible than many developers:
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The tilde operator in Python
...eration, in which all the bits of the input data are reversed.
In Python, for integers, the bits of the twos-complement representation of the integer are reversed (as in b <- b XOR 1 for each individual bit), and the result interpreted again as a twos-complement integer. So for integers, ~x is ...
How to change the text of a button in jQuery?
...'Save');
Your button could also be a link. You'll need to post some HTML for a more specific answer.
EDIT : These will work assuming you've wrapped it in a .click() call, of course
EDIT 2 : Newer jQuery versions (from > 1.6) use .prop rather than .attr
EDIT 3 : If you're using jQuery UI, yo...
两种js滑动门(tab切换)效果 - 源码下载 - 清泛网 - 专注C/C++及内核技术
...ar tabList = document.getElementById(tabObj).getElementsByTagName("li");
for(i=0; i <tabList.length; i++)
{
if (i == Num)
{
thisObj.className = "active";
document.getElementById(tabObj+"_Content"+i).style.display = "block";
}else{
tabList[i].className = "normal"; ...
how to ignore namespaces with XPath
...ing a node like
/path/to/x:somenode
you can select all nodes and filter for the one with the correct local name:
/path/to/*[local-name() = 'somenode']
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