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ASP.NET Temporary files cleanup
...is folder fixed a wrong dependency version detection in a InstallShield LE Setup project. (My main assembly had a reference to EntityFramework 6.4 but IS packaged a 4.4, which was in that folder)
– Jerther
Apr 20 '15 at 19:13
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Binding an enum to a WinForms combo box, and then setting it
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The Enum
public enum Status { Active = 0, Canceled = 3 };
Setting the drop down values from it
cbStatus.DataSource = Enum.GetValues(typeof(Status));
Getting the enum from the selected item
Status status;
Enum.TryParse<Status>(cbStatus.SelectedValue.ToString(), out status)...
How do I comment on the Windows command line?
..., now that I know about it, "&:: misc comment text". For example:
REM SET Token="4C6F72656D20697073756D20646F6C6F" &REM This token is for localhost
SET Token="722073697420616D65742C20636F6E73" &REM This token is for production
This makes it easy to keep track of multiple sets of value...
What is the Simplest Way to Reverse an ArrayList?
...; i < list.size() / 2; i++) {
Object temp = list.get(i);
list.set(i, list.get(list.size() - i - 1));
list.set(list.size() - i - 1, temp);
}
return list;
}
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How to know/change current directory in Python shell?
...> os.getcwd()
'/tmp'
But if it's about finding other modules: You can set an environment variable called PYTHONPATH, under Linux would be like
export PYTHONPATH=/path/to/my/library:$PYTHONPATH
Then, the interpreter searches also at this place for imported modules. I guess the name would be t...
A html space is showing as %2520 instead of %20
... figure out why I was getting it when sending a jQuery ajax request. I was setting the data attribute in an ajax GET request with the encodeURIComponent function on the value, but jQuery already does it by default, hence why i was getting %2520. Really helpful thanks.
– Asher
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List vs List
...distract from the actual point.)
I have a method that's meant to accept a Set of A objects that I originally wrote with this signature:
void myMethod(Set<A> set)
But it want to actually call it with Sets of subclasses of A. But this is not allowed! (The reason for that is, myMethod could a...
How can I change a secret Gist to public?
I upload a Gist code and set it to be secret.
3 Answers
3
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MySQL, better to insert NULL or empty string?
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NULLs also work great when UNIQUE field is set. For example if you have a field like Driving License to add person’s DL No. and the guy doesn’t have it. Since it’s a unique field the first person with no DL No. will get added but not the next as it will throw an...
How to find the length of a string in R
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See ?nchar. For example:
> nchar("foo")
[1] 3
> set.seed(10)
> strn <- paste(sample(LETTERS, 10), collapse = "")
> strn
[1] "NHKPBEFTLY"
> nchar(strn)
[1] 10
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