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The import javax.servlet can't be resolved [duplicate]
...ibraries tab
Click Add External JARs...
Browse to find servlet-api.jar and select it.
Click OK to update the build path.
Or, if you copy the JAR into your project:
Right-click the project, click Properties.
Choose Java Build Path.
Click Add JARs...
Find servlet-api.jar in your project and select...
Inserting multiple rows in mysql
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it's also possible to use INSERT INTO Table SELECT 1, '14/05/2012', 3 UNION SELECT 2, '05/14/2012', 3. of course, this will only be better of the inserted values are coming from different tables.
– Zohar Peled
Jun 1 '15 at 9:18
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Which Radio button in the group is checked?
...g tri-state buttons, then I always set one button "IsChecked" as a default selection.)
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Escaping keyword-like column names in Postgres
...). A delimited identifier is always an
identifier, never a key word. So "select" could be used to refer to a
column or table named "select", whereas an unquoted select would be
taken as a key word and would therefore provoke a parse error when
used where a table or column name is expected.
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How do I tell git to always select my local version for conflicted merges on a specific file?
...e general question, i.e. your question(!):
How do I tell git to always select my local version for conflicted merges on a specific file ? (for any file or group of file)
This kind of merge is a "copy merge", in which you will always copy 'ours' or 'theirs' version of a file whenever there is a...
How do you print in Sublime Text 2
...for printing from Sublime Text is Print to HTML package.
You can "print" a selection or a whole file - via the web browser.
Usage
Make a selection (or none for the whole file)
Press Alt+Shift+P OR Shift+Command+P and type in "Print to HTML".
This opens your browser print dialog (Chrome for me) wit...
Calendar Recurring/Repeating Events - Best Storage Method
... grabbing the events for the day it's at, the query would look like this:
SELECT EV.*
FROM `events` EV
RIGHT JOIN `events_meta` EM1 ON EM1.`event_id` = EV.`id`
RIGHT JOIN `events_meta` EM2 ON EM2.`meta_key` = CONCAT( 'repeat_interval_', EM1.`id` )
WHERE EM1.meta_key = 'repeat_start'
AND (
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List of encodings that Node.js supports
...r.gz
gyp http 200 http://nodejs.org/dist/v0.10.1/node-v0.10.1.tar.gz
xcode-select: Error: No Xcode is selected. Use xcode-select -switch <path-to-xcode>, or see the xcode-select manpage (man xcode-select) for further information.
fs.readFileSync() returns a Buffer if no encoding is specified...
MySQL string replace
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Yes, MySQL has a REPLACE() function:
mysql> SELECT REPLACE('www.mysql.com', 'w', 'Ww');
-> 'WwWwWw.mysql.com'
http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_replace
Note that it's easier if you make that an alias when using SELECT
SEL...
GroupBy pandas DataFrame and select most common value
.... To clean the data I have to group by data frame by first two columns and select most common value of the third column for each combination.
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