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How to check if a process id (PID) exists
...
You have two ways:
Lets start by looking for a specific application in my laptop:
[root@pinky:~]# ps fax | grep mozilla
3358 ? S 0:00 \_ /bin/sh /usr/lib/firefox-3.5/run-mozilla.sh /usr/lib/firefox-3.5/firefox
16198 pts/2 S+ 0:...
How to revert Master branch to upstream
... after it has items that have been modified. I'm going to have to wipe and start over. Git is extremely difficult to understand.
– Mitch
Apr 17 '16 at 21:18
1
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Read specific columns from a csv file with csv module?
...ng something like petl is one of the best investments you can make. To get started should only take 30 minutes after you've done pip install petl. The documentation is excellent.
Answer: Let's say you have the first table in a csv file (you can also load directly from the database using petl). Then...
How do I convert a column of text URLs into active hyperlinks in Excel?
...o clickable links else you will end up in a neverending loop and have to restart Excel!
Done!
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Why does Android use Java? [closed]
... change the base adress, its priviledged instruction and your program when started by OS has assigned lowest priviledge level. If not, single CLI (disable interrupts) instruction would crash system....
– B.Gen.Jack.O.Neill
Aug 25 '10 at 18:53
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How to Compare Flags in C#?
...ther enum */
bool result = false;
Stopwatch s = Stopwatch.StartNew();
for (int i = 0; i < 10000000; i++)
{
result |= f.HasFlag(TestFlags.Three);
}
s.Stop();
Console.WriteLine(s.ElapsedMilliseconds); // *4793 ms*
s.Resta...
How can one close HTML tags in Vim quickly?
...or example, if you want to write "Have a <b>nice</b> day", you start off by typing "Have a <b>nice", which renders as "Have a <b>nice|</b>". You then need to either right-arrow across or exit insert mode to continue with the rest of the sentence. That's why a solution...
“Invalid signature file” when attempting to run a .jar
... @user123003 .. as is the case with Intelli-J
– StartupGuy
Jul 5 '14 at 2:56
13
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How does one make a Zip bomb?
...sed completely, produces an absurd amount of data without requiring you to start out with that amount.
Additionally, the nested archives make it much harder for programs like virus scanners (the main target of these "bombs") to be smart and refuse to unpack archives that are "too large", because u...
ActionController::InvalidAuthenticityToken
...our views.
If you need to debug further, this question is a good place to start: Understanding the Rails Authenticity Token
Edited to explain:
It means they are calling the action to process your form submit without ever rendering your form on your website. This could be malicious (say posting sp...