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Should I use “hasClass” before “addClass”? [duplicate]

...across the following script which checks whether an element has class a , and if not, adds it: 3 Answers ...
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How to delete a column from a table in MySQL

...leted. Also, to drop multiple columns, you have to separate them by commas and include the DROP for each one. ALTER TABLE tbl_Country DROP COLUMN IsDeleted, DROP COLUMN CountryName; This allows you to DROP, ADD and ALTER multiple columns on the same table in the one statement. From the MySQL ...
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Can a relative sitemap url be used in a robots.txt?

... And on the topic of case, robotstxt.org specifies the file to be named robots.txt without the capital R. – khargoosh Aug 30 '16 at 4:44 ...
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Chrome >=24 - how to dock devtools to the right?

...n I first saw that option when I realized I no longer have to split screen and position windows manually. 1 Answer ...
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NodeJS: How to decode base64 encoded string back to binary? [duplicate]

...generated salt as binary, hashed the password, base64 encoded the password and salt then stored them into database. 1 Answe...
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How to convert variable (object) name into String [duplicate]

... You can use deparse and substitute to get the name of a function argument: myfunc <- function(v1) { deparse(substitute(v1)) } myfunc(foo) [1] "foo" share ...
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Unsure if I understand TransactionAwarePersistenceManagerFactoryProxy

...rence, while still participating in Spring's (or a J2EE server's) resource and transaction management. You can surely use it in your app. But without knowing your exact needs, we can't confirm any further. Can I still use it to access my factory to create a transaction aware persistence manager ...
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Event handler not working on dynamic content [duplicate]

...ork for dynamically loaded content). See http://api.jquery.com/on/#direct-and-delegated-events Change your code to $(document.body).on('click', '.update' ,function(){ The jQuery set receives the event then delegates it to elements matching the selector given as argument. This means that contrar...
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Xcode crash when refreshing provisioning profiles

...out crashes. Every time I press the refresh button in organizer it crashes and I retrieve this line from the error log: 4 A...
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How to auto-format code in Eclipse?

... On Windows and Linux : Ctrl + Shift + F On Mac : ⌘ + ⇧ + F (Alternatively you can press Format in Main Menu > Source) share | ...