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What is the difference between exit and return? [duplicate]
...can get; the conventional usage is 0 for success or any other value for an error).
The parameter of the return statement is whatever the return type of the function is. If the function returns void, you can omit the return at the end of the function.
Last point, exit() come in two flavors _exit() an...
A potentially dangerous Request.Path value was detected from the client (*)
I am receiving the rather self explanatory error:
8 Answers
8
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In Java, when should I create a checked exception, and when should it be a runtime exception? [dupli
...pections for recoverable conditions and runtime exceptions for programming errors (Item 58 in 2nd edition).
So in this case, if you really want to use exceptions, it should be a checked one. (Unless the documentation of transferTo() made it very clear that the method must not be called without che...
Date query with ISODate in mongodb doesn't seem to work
...ow:
db.foo.find({dt: {"$date": "2012-01-01T15:00:00.000Z"}})
you'll get error:
error: { "$err" : "invalid operator: $date", "code" : 10068 }
Try this:
db.mycollection.find({
"dt" : {"$gte": new Date("2013-10-01T00:00:00.000Z")}
})
or (following comments by @user3805045):
db.mycollectio...
How to tell if a string is not defined in a Bash shell script
...o use a default value, ${foo:=default} to assign the default value, ${foo:?error message} to display an error message if foo is unset, etc.
– Jouni K. Seppänen
Oct 23 '08 at 4:54
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PDOException “could not find driver”
...in your code reveals you are trying to connect with the mysql driver. Your error message indicates that this driver is unavailable.
Check that you have the mysql extension installed on your server.
In Ubuntu/Debian you check for the package with:
dpkg --get-selections | grep php | grep mysql
In...
Recursive search and replace in text files on Mac and Linux
...that. I did however try using {} to separate the slash and I still got an error...
– Timothy T.
Sep 19 '13 at 2:39
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How to install therubyracer gem on 10.10 Yosemite?
...t helps without any weirdness. Even though you may just be getting a libv8 error, do this! thanks.
– pjammer
Nov 2 '14 at 18:55
2
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In the shell, what does “ 2>&1 ” mean?
...iptor 1 is the standard output (stdout).
File descriptor 2 is the standard error (stderr).
Here is one way to remember this construct (although it is not entirely accurate): at first, 2>1 may look like a good way to redirect stderr to stdout. However, it will actually be interpreted as "redirect...
Check whether user has a Chrome extension installed
...{version: '1.0'} and not {version: 1.0} or else you'll get 'Uncaught SyntaxError: Unexpected number' in extension Inspect view console.
– ET-CS
Jan 26 '15 at 5:01
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