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input() error - NameError: name '…' is not defined
...emove("/etc/hosts")
this will be evaluated as a function call expression by python and it will be executed. If you are executing Python with elevated privileges, /etc/hosts file will be deleted. See, how dangerous it could be?
To demonstrate this, let's try to execute input function again.
>&...
With arrays, why is it the case that a[5] == 5[a]?
...ndard, which is as follows: 6.5.2.1: 2 A postfix expression followed by an expression in square brackets [] is a subscripted designation of an element of an array object. The definition of the subscript operator [] is that E1[E2] is identical to (*((E1)+(E2))). Because of the conversion rules ...
How can I programmatically generate keypress events in C#?
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About the target issue, I worked it out by using Keyboard.PrimaryDevice.ActiveSource see stackoverflow.com/questions/10820990/…
– OscarRyz
May 30 '12 at 17:26
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Regular expression to match standard 10 digit phone number
...s use
^(\+0?1\s)?\(?\d{3}\)?[\s.-]\d{3}[\s.-]\d{4}$
Update :
As noticed by user Simon Weaver below, if you are also interested in matching on unformatted numbers just make the separator character class optional as [\s.-]?
^(\+\d{1,2}\s)?\(?\d{3}\)?[\s.-]?\d{3}[\s.-]?\d{4}$
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Best ways to teach a beginner to program? [closed]
... the debugging capabilities of your tools. Even if you can see the problem by reading the code you should teach them how to use the tools, and then show them how you could see it. That serves the dual purpose of teaching the debugging tools and teaching how to ID errors without tools.
Once, or if, ...
Convert python datetime to epoch with strftime
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@earthmeLon Your bracketing is wrong. Timedeltas (made by subtracting two datetimes) have total_seconds, but datetimes do not.
– jleahy
Aug 21 '13 at 10:24
2
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Scanner is skipping nextLine() after using next() or nextFoo()?
...r.nextInt method does not read the newline character in your input created by hitting "Enter," and so the call to Scanner.nextLine returns after reading that newline.
You will encounter the similar behaviour when you use Scanner.nextLine after Scanner.next() or any Scanner.nextFoo method (except ne...
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'
...cesses", search and verify you see the process "mysqld".
You can start it by installing "MySQL.prefPane".
Here is the complete tutorial which helped me:
http://obscuredclarity.blogspot.in/2009/08/install-mysql-on-mac-os-x.html
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What does JVM flag CMSClassUnloadingEnabled actually do?
...ault is false. There is another option called ClassUnloading that is true by default which (presumably) affects the other garbage collectors.
The idea is that if the GC detects that a previously loaded class is no longer used anywhere in the JVM, it can reclaim the memory used to hold the classes ...
Synchronously waiting for an async operation, and why does Wait() freeze the program here
... for this deadlock on my blog. In short, there's a "context" that is saved by default at the beginning of each await and used to resume the method.
So if this is called in an UI context, when the await completes, the async method tries to re-enter that context to continue executing. Unfortunately, ...