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How to check for file lock? [duplicate]
...ePath, FileMode.Open)){}
}
catch (IOException e)
{
var errorCode = Marshal.GetHRForException(e) & ((1 << 16) - 1);
return errorCode == 32 || errorCode == 33;
}
return false;
}
...
Why am I getting a NoClassDefFoundError in Java?
I am getting a NoClassDefFoundError when I run my Java application. What is typically the cause of this?
27 Answers
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What causes “Unable to access jarfile” error?
...ar -I c:\fw\ducky\HelloWorld.txt -o c:\fw\ducky\inject.bin
But got this error:
Error: unable to access jarfile c:\fw\ducky\duckencode.jar
Solution
1st step
Right click the jarfile in question. Click properties.
Click the unblock tab in bottom right corner.
The file was blocked, because it w...
Passport.js - Error: failed to serialize user into session
...(function(id, next) {
next(null, user_cache[id]);
});
in case or weird errors just ask yourself: "Do I rlly set '_id' in my user object?" - in most cases you dont. So use a proper attribute as key.
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How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
...t. that max value is a bug waiting to happen. the point of not throwing an error is to not throw an error when the data is invalid. this accepted answer does NOT solve that. thanks Matthew! great work!
– Shawn Kovac
Aug 6 '14 at 23:36
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Eclipse Build Path Nesting Errors
...ava and src/test/java. When I run Maven update it used to give nested path error.
Then I finally realized -because I had not seen that entry before- there is a <sourceDirectory>src</sourceDirectory> line in pom file written when I mavenize it. It was resolved after removing it.
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How do I ignore an error on 'git pull' about my local changes would be overwritten by merge?
How do I ignore the following error message on Git pull?
34 Answers
34
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How to handle exceptions in a list comprehensions?
...you can't; 2) practically, you delegate the job to a function or check for error prone values when that's feasible. Your repeated claim that this is not an answer is thus unfounded.
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Get current stack trace in Ruby without raising an exception
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I use this to show a custom error page when exception are raised.
rescue_from Exception do |exception|
logger.error exception.class
logger.error exception.message
logger.error exception.backtrace.join "\n"
@exception = exception
# Exception...
In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
...All of this is very well explained in the ARC transition guide.
In your NSError example, the declaration means __strong, implicitly:
NSError * e = nil;
Will be transformed to:
NSError * __strong error = nil;
When you call your save method:
- ( BOOL )save: ( NSError * __autoreleasing * );
T...