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How to call a PHP function on the click of a button
...ed a page called functioncalling.php that contains two buttons, Submit and Insert .
12 Answers
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'heroku' does not appear to be a git repository
...loy with heroku must be done from root directory with a valid package.json and .git folder, as told here stackoverflow.com/questions/38658038/…
– Junior Mayhé
Jul 31 '17 at 17:56
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How do I rename a column in a database table using SQL?
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On PostgreSQL (and many other RDBMS), you can do it with regular ALTER TABLE statement:
=> SELECT * FROM Test1;
id | foo | bar
----+-----+-----
2 | 1 | 2
=> ALTER TABLE Test1 RENAME COLUMN foo TO baz;
ALTER TABLE
=> SELE...
How do I repeat an edit on multiple lines in Vim?
I'm aware that in Vim I can often repeat a command by simply adding a number in front of it. For example, one can delete 5 lines by:
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Xcode 4: create IPA file instead of .xcarchive
In Xcode 3.2.5 I use "Build And Archive" to create an IPA file. In Xcode 4 you can use "Product -> Archive" to archive an application in an .xcarchive bundle.
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git pull fails “unable to resolve reference” “unable to update local ref”
...remote prune origin
man git-gc(1):
git-gc - Cleanup unnecessary files and optimize the local repository
git gc [--aggressive] [--auto] [--quiet] [--prune=<date> | --no-prune]
Runs a number of housekeeping tasks within the current repository, such as compressing file revisions
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Cache busting via params
... a system for doing so. My thought was to apply a param to the end of css and js files with the current version number:
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Java - removing first character of a string
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Use substring() and give the number of characters that you want to trim from front.
String value = "Jamaica";
value = value.substring(1);
Answer: "amaica"
share
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What is the difference between max-device-width and max-width for mobile web?
I need to develop some html pages for iphone/android phones, but what is the difference between max-device-width and max-width ? I need to use different css for different screen size.
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Any way to select without causing locking in MySQL?
...rver you would do the following:
SELECT * FROM TABLE_NAME WITH (nolock)
and the MYSQL equivalent is
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED ;
SELECT * FROM TABLE_NAME ;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ ;
EDIT
Michael Mior suggested the following (from t...