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Check if object is a jQuery object
...o be declared in order for the typeof operator to work without throwing an error.
– Patrick Roberts
Aug 17 '15 at 19:05
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Loaded nib but the 'view' outlet was not set
...s://stackoverflow.com/a/6395750/939501 were true but still it was throwing error, reason was I created a View class with name ABCView and then deleted it later I added a view controller as ABCViewController so somehow it was referring to old ABCView in new view controller, I had to delete the ABCVie...
@synthesize vs @dynamic, what are the differences?
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I was getting NSUnknownKeyException errors with my dynamic property when I removed the @synthesize line (Xcode 3.2 was giving me an error b/c I had no matching ivar for my @property). Adding @dynamic fixed the issue - compiles and runs fine now. Thanks!
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What's the yield keyword in JavaScript?
...ardized the correlation between function * and yield, and added the quoted error ("An early error is raised if a yield or yield* expression occurs in a non-generator function"). But, the original Javascript 1.7 implementation in Firefox didn't require the *. Updated answer accordingly. Thanks!
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Application Loader stuck at “Authenticating with the iTunes store” when uploading an iOS app
...or me, but this one does. Apple needs to learn how to properly communicate error messages. Stuck on authenticating is not useful at all.
– Domen Grabec
May 5 '17 at 17:22
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Dropping Unique constraint from MySQL table
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Error Message:"You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '(player_id,year,tournament)' at line 1"
– Ankur Mukhe...
Checking for the correct number of arguments
...output usage to stderr and exit with a failure status code.
More friendly error reporting:
#!/bin/sh
if [ "$#" -ne 1 ]; then
echo "Usage: $0 DIRECTORY" >&2
exit 1
fi
if ! [ -e "$1" ]; then
echo "$1 not found" >&2
exit 1
fi
if ! [ -d "$1" ]; then
echo "$1 not a directory" &g...
How to test an Internet connection with bash?
... grep default | cut -d ' ' -f 3` > /dev/null && echo ok || echo error
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How to install the current version of Go in Ubuntu Precise
...rsion to check the current version installed
Start programming.
Possible errors + fixes: (to be updated)
If you get a go version xgcc (Ubuntu 4.9.1-0ubuntu1) 4.9.1 linux/amd64 then you did something wrong, so check out this post: Go is printing xgcc version but not go installed version
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Delete specific line number(s) from a text file using sed?
...placed with one which deletes the lines right away. For example;
grep -nh error logfile | cut -d: -f1 | deletelines logfile
(where deletelines is the utility you are imagining you need) is the same as
grep -v error logfile
Having said that, if you are in a situation where you genuinely need to...