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How good is Java's UUID.randomUUID?
I know that randomized UUIDs have a very, very, very low probability for collision in theory, but I am wondering, in practice, how good Java's randomUUID() is in terms of not having collision? Does anybody have any experience to share?
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Qt: *.pro vs *.pri
What is the difference between *.pro and *.pri configuration files for qmake?
3 Answers
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proper way to sudo over ssh
...ript via SSH on a remote server using sudo. However, when I type the password, it shows up on the terminal. (Otherwise it works fine)
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How do I get the full url of the page I am on in C#
...of concatenating a bunch of Request variables together? If so which ones? Or is there a more simpiler way?
10 Answers
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Creating a new column based on if-elif-else condition
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To formalize some of the approaches laid out above:
Create a function that operates on the rows of your dataframe like so:
def f(row):
if row['A'] == row['B']:
val = 0
elif row['A'] > row['B']:
val = ...
Rails migrations: self.up and self.down versus change
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For many operations rails can guess what is the inverse operation (without problems). For example, in your case what is the reverse operation of add_column to call when you rollback? Of course it's remove_column. What is the i...
Nginx not picking up site in sites-enabled?
After over 10 hours of research I have not figured out why this doesn't work! I am trying to move my localhost to my sites-enabled folder which is in /etc/nginx/sites-enabled/default.
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Is it possible for intellij to organize imports the same way as in Eclipse?
I'm working on a project where all the team members are using Eclipse and I'm the only IDEA user. This creates a lot of noise from imports rearrangements. The order in which eclipse imports is: Java, Javax, Org, Com, everything else in alphabetical order. Is it possible to configure IDEA to follow t...
How to create the branch from specific commit in different branch
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If you are using this form of the branch command (with start point), it does not matter where your HEAD is.
What you are doing:
git checkout dev
git branch test 07aeec983bfc17c25f0b0a7c1d47da8e35df7af8
First, you set your HEAD to the branch de...
Visual Studio build fails: unable to copy exe-file from obj\debug to bin\debug
... tested and verified that the solution given in the accepted answer below works on that sample project. If this solution doesn't work for you, you are probably having a different issue (which belongs in a separate question).
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