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How do I use grep to search the current directory for all files having the a string “hello” yet disp
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grep -l hello **/*.{h,cc}
You might want to shopt -s nullglob to avoid error messages if there are no .h or no .cc files.
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Automatically start a Windows Service on install
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This code gave me the following error/s: An exception occurred during the Install phase. System.InvalidOperationException: An exception occurred in the OnAfterInstall event handler of System.ServiceProcess.ServiceInstaller. The inner exception System.Invali...
How do I debug error ECONNRESET in Node.js?
...s.js application using Socket.io for a chat webapp
and I get the following error randomly around 5 times during 24h.
The node process is wrapped in forever and it restarts itself immediately.
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How to write to an existing excel file without overwriting data (using pandas)?
...Writer(filename, engine='openpyxl')
# Python 2.x: define [FileNotFoundError] exception if it doesn't exist
try:
FileNotFoundError
except NameError:
FileNotFoundError = IOError
try:
# try to open an existing workbook
writer.book = load_workbook(file...
How to tell if browser/tab is active [duplicate]
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answered Nov 19 '09 at 1:05
Richard SimõesRichard Simões
10.6k44 gold badges3737 silver badges4949 bronze badges
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Why are hexadecimal numbers prefixed with 0x?
... tell the base (0 is the same in both bases),
it's mathematically sane (00005 == 05), and
no precious special characters are needed (as in #123).
When C was created from B, the need for hexadecimal numbers arose (the PDP-11 had 16-bit words) and all of the points above were still valid. Since octa...
This Handler class should be static or leaks might occur: IncomingHandler
... Note: after making the IncomingHandler static, I was getting the error "The constructor MyActivity.IncomingHandler() is undefined." on the line "final Messenger inMessenger = new Messenger(new IncomingHandler());". The solution is to change that line to "final Messenger inMessenger = new M...
Python Nose Import Error
...ad a problem with PS1=${PS1:-} set when activating virtualenv (to overcome errors on unset variables). After removing this and switching to set +u, I had no problems anymore.
– Juuso Ohtonen
Jan 17 '18 at 6:24
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No 'Access-Control-Allow-Origin' - Node / Apache Port Issue
...-http-proxy and Vhosts Apache but not having much succes, please see full error and code below.
13 Answers
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Easiest way to activate PHP and MySQL on Mac OS 10.6 (Snow Leopard), 10.7 (Lion), 10.8 (Mountain Lio
...o), and open:
/etc/apache2/httpd.conf
Find the line:
"#LoadModule php5_module libexec/apache2/libphp5.so"
And uncomment it (remove the #).
Download and install the latest MySQL version from mysql.com. Choose the x86_64 version for Intel (unless your Intel Mac is the original Macbook P...