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How to 'insert if not exists' in MySQL?
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use INSERT IGNORE INTO table
see http://bogdan.org.ua/2007/10/18/mysql-insert-if-not-exists-syntax.html
there's also INSERT … ON DUPLICATE KEY UPDATE syntax, you can find explanations on dev.mysql.com
Post from bogdan.org.ua according to Google's webcache:
18th October...
ViewParam vs @ManagedProperty(value = “#{param.id}”)
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Feb 3 '11 at 17:06
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Does the order of LINQ functions matter?
...etail.
– Jon Skeet
Sep 21 '11 at 15:20
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@michael: you can find it here msmvps.com/blogs/jon_skee...
Matplotlib (pyplot) savefig outputs blank image
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My solution plt.show() plt.draw() fig.set_dpi(200) fig.savefig('/image.png')
– EduardoUstarez
Apr 9 at 23:32
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What is the IntelliJ shortcut key to create a javadoc comment?
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answered Aug 29 '13 at 20:32
krmkrm
1,82611 gold badge1414 silver badges2020 bronze badges
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What is the purpose of the “final” keyword in C++11 for functions?
...on history.
– ildjarn
Jan 11 '12 at 20:56
@Nawaz: why they aren't keywords just specifiers? Is it due to compatibility...
difference between offsetHeight and clientHeight
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clientHeight:
Returns the height of the visible area for an object, in pixels. The value c...
Plot smooth line with PyPlot
...ate import BSpline
– user890739
Apr 20 '18 at 16:24
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This will not work if the T is not sorted. ...
Filter git diff by type of change
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You are looking for --diff-filter=M to show only files *M*odified between the two branches.
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How to manage client-side JavaScript dependencies? [closed]
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answered Feb 20 '13 at 1:15
Jean-Philippe LeclercJean-Philippe Leclerc
6,17555 gold badges3636 silver badges6363 bronze badges
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