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eval command in Bash and its typical uses
...de the parentheses in a subshell (i.e. in a separate process that inherits all settings such as variable values from the current shell), and gathers its output. So echo $($n) runs $n as a shell command, and displays its output. Since $n evaluates to 1, $($n) attempts to run the command 1, which does...
Mongod complains that there is no /data/db folder
...ere you can create the data directory in another location, but that's generally not a good idea, because it just slightly complicates things such as DB recovery, because you always have to specify the db-path manually. I wouldn't recommend doing that.
Edit:
the error message you're getting is ...
iOS5 Storyboard error: Storyboards are unavailable on iOS 4.3 and prior
I've built a small app using storyboards and it ran great. Just before final testing I decided to try it out to see if it runs on iOS 4.3. I clicked on the gray 5.0 in the project settings and selected 4.3.
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How do I drop a foreign key constraint only if it exists in sql server?
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its the if exists bit i am really after.. sorry. i'll update my question so it's more clear!
– solrevdev
Jan 27 '09 at 10:30
2
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C# - Keyword usage virtual+override vs. new
... here, the new / override keyword for the metods determine which metod is called when you put a Bar into a Foo variable.
– Thomas N
Apr 20 '15 at 13:00
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Remove NA values from a vector
...values, and I'm trying to find the max value in that vector (the vector is all numbers), but I can't do this because of the NA values.
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Is floating-point math consistent in C#? Can it be?
...to way to make normal floating points deterministic in .net. The JITter is allowed to create code that behaves differently on different platforms(or between different versions of .net). So using normal floats in deterministic .net code is not possible.
The workarounds I considered:
Implement Fixe...
How to display length of filtered ng-repeat data
...h filters the data. val would be the text that is typed in the input (basically query) but each time I type, it changes. But what is filterFilter here? I might add that I have my own customFilter created (wherein I can specify which key of the object to consider for filtering).
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If i synchronized two methods on the same class, can they run simultaneously?
... a add on to this question. Suppose both method are static now methodA is called using Class while methodB is called using object like A.methodA() in t1 and obj.methodB() in t2. What will happen now, will they block????
– amod
Mar 21 '13 at 12:16
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Loader lock error
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If I run the project as Native debugging, with all exceptions on default (reset all), the debug window shows <mda:msg xmlns:mda="schemas.microsoft.com/CLR/2004/10/mda"> <!-- Attempting managed execution inside OS Loader lock.... etc --> <mda...