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Using the star sign in grep
...ou need to tell it what you repeat. /*abc*/ matches a string containing ab and zero or more c's (because the second * is on the c; the first is meaningless because there's nothing for it to repeat). If you want to match anything, you need to say .* -- the dot means any character (within certain guid...
How to remove new line characters from a string?
... This was definitely the best solution for me. A smooth blend of this C# and javascript was all I needed to resolve my issue.
– Joe Brunscheon
Nov 26 '13 at 19:30
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How to prevent errno 32 broken pipe?
... client program doesn't wait till all the data from the server is received and simply closes a socket (using close function).
In a C program you would normally try setting to ignore SIGPIPE signal or setting a dummy signal handler for it. In this case a simple error will be returned when writing t...
Get list of all tables in Oracle?
...onary table). Of course, you may want to exclude certain schemas like SYS and SYSTEM which have large numbers of Oracle tables that you probably don't care about.
Alternatively, if you do not have access to DBA_TABLES, you can see all the tables that your account has access to through the ALL_TABL...
How do I load my script into the node.js REPL?
...escribe. However, an alternative to using require it to use the .load command within the REPL, like such:
.load foo.js
It loads the file in line by line just as if you had typed it in the REPL. Unlike require this pollutes the REPL history with the commands you loaded. However, it has the adva...
Regular expression to search for Gadaffi
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Arabic transcription is (Wiki says) "Qaḏḏāfī", so maybe adding a Q. And one H ("Gadhafi", as the article (see below) mentions).
Btw, why is there a $ at the end of the regex?
Btw, nice article on the topic:
Gaddafi, Kadafi, or Qaddafi? Why is the Libyan leader’s name spelled so many di...
Use images instead of radio buttons
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Wrap radio and image in <label>
Hide radio button (Don't use display:none or visibility:hidden since such will impact accessibility)
Target the image next to the hidden radio using Adjacent sibling selector +
/* HIDE RADIO */...
Query to count the number of tables I have in MySQL
I am growing the number of tables I have and I am sometimes curious just to do a quick command line query to count the number of tables in my database. Is that possible? If so, what is the query?
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How to create a directory using Ansible
... @Alex all immediate subdirectories is confusing, could you define that and give an example?
– Jamie Jackson
Sep 13 '18 at 20:34
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“Invalid form control” only in Google Chrome
The code below works well in Safari but in Chrome and Firefox the form will not submit. Chrome console logs the error An invalid form control with name='' is not focusable . Any ideas?
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