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Restoring MySQL database from physical files
...rwise you will get errors when trying to drop a database or add new column etc..
and restart MySQL
service mysql restart
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bash: shortest way to get n-th column of output
... invoked with a non-numeric argument or the incorrect number of arguments, etc; but expanding on this bare-bones essential version will be in unit 102.
Maybe you will want to extend the script to allow a different column delimiter. Awk by default parses input into fields on whitespace; to use a di...
When do we need curly braces around shell variables?
...with a digit, shell doesn't need {} around numbered variables (like $1, $2 etc.) unless such expansion is followed by a digit. That's too subtle and it does make to explicitly use {} in such contexts:
set app # set $1 to app
fruit=$1le # sets fruit to apple, but confusing
fruit=${1}le # set...
Parsing HTML into NSAttributedText - how to set font?
...s while enumerating, and create a font with the same traits (bold, italic, etc.):
extension NSMutableAttributedString {
/// Replaces the base font (typically Times) with the given font, while preserving traits like bold and italic
func setBaseFont(baseFont: UIFont, preserveFontSizes: Bool ...
How do you find the disk size of a Postgres / PostgreSQL table and its indexes
...ooking for a way to find the table and index size in terms of bytes/MB/GB/etc , or even better the size for all tables. In Oracle I had a nasty long query that looked at user_lobs and user_segments to give back an answer.
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How to cherry-pick multiple commits
...pick them in order by running git cherry-pick f~3 then git cherry-pick f~2 etc. up to git cherry-pick f (pressing the up arrow gets the previous command so I can quickly change the number and run it, should be similar in most consoles).
– David Mason
Mar 28 '14...
What is a fat JAR? [duplicate]
...he app’s direct dependencies of your app (db drivers, utility libraries, etc).
Hollow – The inverse of Thin – Contains only the bits needed to run your app but does NOT contain the app itself. Basically a pre-packaged “app server” to which you can later deploy your app, in the same style ...
g++ undefined reference to typeinfo
...access can happen when you create an object of the class, use dynamic_cast etc.
[source]
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.NET: Which Exception to Throw When a Required Configuration Setting is Missing?
...ion - despite the misleading MSDN docs) are for errors in saving, reading, etc. of Configuration.
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How do I upgrade PHP in Mac OS X?
...s own custom .conf file before it loads the Apache httpd.conf (located at /etc/apache2/httpd.conf). The server file is located:
/Library/Server/Web/Config/apache2/httpd_server_app.conf
When you open this file, you have to comment out this line like so:
#LoadModule php5_module libexec/apache2/lib...