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How to create a zip file in Java
...a zip in the root of D: named test.zip which will contain one single file called mytext.txt. Of course you can add more zip entries and also specify a subdirectory like this:
ZipEntry e = new ZipEntry("folderName/mytext.txt");
You can find more information about compression with Java here.
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Formatting “yesterday's” date in python
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all answers are correct, but I want to mention that time delta accepts negative arguments.
>>> from datetime import date, timedelta
>>> yesterday = date.today() + timedelta(days=-1)
>>> print(y...
How to quickly clear a JavaScript Object?
...object).
In this example, I believe setting the length to 0 still leaves all of the elements for garbage collection.
You could add this to Object.prototype if it's something you'd frequently use. Yes it's linear in complexity, but anything that doesn't do garbage collection later will be.
This is ...
Compare two List objects for equality, ignoring order [duplicate]
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If you want them to be really equal (i.e. the same items and the same number of each item), I think that the simplest solution is to sort before comparing:
Enumerable.SequenceEqual(list1.OrderBy(t => t), list2.OrderBy(t => t))
Edit:
Here is...
AddBusinessDays and GetBusinessDays
...tly follow the same pattern as using negative numbers with AddBusinessDays allows non-business days to be selected.
– Ristogod
May 28 '14 at 17:37
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How to convert a string to lower or upper case in Ruby
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You can find out all the methods available on a String by opening irb and running:
"MyString".methods.sort
And for a list of the methods available for strings in particular:
"MyString".own_methods.sort
I use this to find out new and int...
C++ Erase vector element by value rather than by position? [duplicate]
... @jak: Take a look at the description of remove(): It moves all values not equal to the value passed to the beginning of the range [begin,end). With your example in the question you'd get 5,9,2,0,7,7. As remove() however returns an iterator to the new end, vec.erase() can remove the o...
Using JQuery to check if no radio button in a group has been checked
...you could just change it to .val() == "" and remove the ! and you would be all set.
– Doug Neiner
Jan 15 '10 at 21:08
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How to do version numbers? [closed]
...ilding a product. It's going to be versioned by SVN. It's a webapp so basically there will never be a version out which doesn't have some features in them and thus could always be labeled as beta. But since it's going to be a corporate product I really don't want the "unstable watchout" on there. So...
Remove columns from DataTable in C#
... which I get a DataTable from that I am being passed back from a function call. It has 15-20 columns, however I only want 10 columns of the data.
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