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What is the use of “ref” for reference-type variables in C#?
I understand that if I pass a value-type ( int , struct , etc.) as a parameter (without the ref keyword), a copy of that variable is passed to the method, but if I use the ref keyword a reference to that variable is passed, not a new one.
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How to make an anchor tag refer to nothing?
...ke a link, it's best to use the appropriate element (such as <span>) and then style it using CSS:
<span class="fake-link" id="fake-link-1">Am I a link?</span>
.fake-link {
color: blue;
text-decoration: underline;
cursor: pointer;
}
Also, given that you tagged this q...
Matplotlib connect scatterplot points with line - Python
I have two lists, dates and values. I want to plot them using matplotlib. The following creates a scatter plot of my data.
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How to change the value of attribute in appSettings section with Web.config transformation
... Excellent answer. I was trying 3rd party options like Slow Cheetah and getting nowhere - this was simple and perfect.
– Steve
Aug 14 '15 at 20:53
2
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Resolving a 'both added' merge conflict in git?
I'm rebasing in git, and one conflict I get is 'both added' - that is, exactly the same filename has been added independently in my branch, and in the branch I'm rebasing on. git status tells me:
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Twitter Bootstrap - Tabs - URL doesn't change
I'm using Twitter Bootstrap and its "tabs".
15 Answers
15
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How do I perform HTML decoding/encoding using Python/Django?
...for reference:
def escape(html):
"""Returns the given HTML with ampersands, quotes and carets encoded."""
return mark_safe(force_unicode(html).replace('&', '&amp;').replace('<', '&l
t;').replace('>', '&gt;').replace('"', '&quot;').replace("'", '&#39;'))
To re...
How do I clear/delete the current line in terminal?
If I'm using terminal and typing in a line of text for a command, is there a hotkey or any way to clear/delete that line?
1...
How to add an integer to each element in a list?
If I have list=[1,2,3] and I want to add 1 to each element to get the output [2,3,4] ,
how would I do that?
11 Answers...
Rails “validates_uniqueness_of” Case Sensitivity
...validates the uniqueness of 'foo' by asking the DB if that name exists yet and the DB says the name doesn't exist yet.
Process B does the same thing and gets the same response
Process A submits the insert statement for the new record and succeeds
If you have a database constraint requiring uniquenes...