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How to clear jQuery validation error messages?
...rap3 is true, must implement a manual resetting jumping into the inspector and figuring out what classes are applying on errors
– Nestor Colt
Jan 18 '18 at 14:23
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grep exclude multiple strings
I am trying to see a log file using tail -f and want to exclude all lines containing the following strings:
7 Answers
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how to make svn diff show only non-whitespace line changes between two revisions
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You can use an alternate diff command using the --diff-cmd argument for svn diff. diff is a good utility that has plenty of features for ignoring whitespace.
For example:
svn diff --diff-cmd /usr/bin/diff -x "-w"
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How to hide the keyboard when I press return key in a UITextField?
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adding <UITextFieldDelegate> in .h file and set delegate in viewdidload [yourTextField setDelegate:self]; will complete it!
– Umit Kaya
Jul 16 '15 at 5:35
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Rails how to run rake task
... answered Apr 12 '11 at 21:24
Andrew MarshallAndrew Marshall
87.3k1818 gold badges202202 silver badges204204 bronze badges
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How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”
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The ISO C99 standard specifies that these macros must only be defined if explicitly requested.
#define __STDC_FORMAT_MACROS
#include <inttypes.h>
... now PRIu64 will work
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Automate ssh-keygen -t rsa so it does not ask for a passphrase
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OK this was because I used dzdo command in front of it, so I had to write: dzdo -i -u target_user ssh-keygen -f id_rsa -t rsa -N "''"
– Anthony O.
Dec 9 '15 at 15:09
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remove all variables except functions
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You can use the following command to clear out ALL variables. Be careful because it you cannot get your variables back.
rm(list=ls(all=TRUE))
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Docker EXPOSE a port only to Host
Is docker capable of exposing a port only to the host and not to the outside.
1 Answer
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How do I delete/remove a shell function?
... A couple people have answered with:
unset z
but if you have a function and a variable named z only the variable will be unset, not the function.
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