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How do I cancel form submission in submit button onclick event?
...r jQuery) that has a good event handling API and tie into the event that really matters (i.e. the form's submit event instead of the button's click event).
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How do I escape a single quote ( ' ) in JavaScript? [duplicate]
... "onmouseover" attribute is just change(, and there's another "attribute" called ex1')' with no value.
The truth is, HTML does not use \ for an escape character. But it does recognise " and ' as escaped quote and apostrophe, respectively.
Armed with this knowledge, use this:
doc...
What does MVW stand for?
... considered the ViewModel that is being decorated by a
function that we call a Controller.
Being able to categorize a framework and put it into one of the MV*
buckets has some advantages. It can help developers get more
comfortable with its apis by making it easier to create a mental mode...
What is the difference between concurrency, parallelism and asynchronous methods?
Concurrency is having two tasks run in parallel on separate threads. However, asynchronous methods run in parallel but on the same 1 thread. How is this achieved? Also, what about parallelism?
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When to use Hadoop, HBase, Hive and Pig?
... too huge.
Coming back to the first part of your question, Hadoop is basically 2 things: a Distributed FileSystem (HDFS) + a Computation or Processing framework (MapReduce). Like all other FS, HDFS also provides us storage, but in a fault tolerant manner with high throughput and lower risk of data ...
Android Studio: Module won't show up in “Edit Configuration”
...or me just clicking the "Sync Project with Gradle Files" fixed it. I was really worried I had busted things beyond repair.
– startoftext
Aug 17 '15 at 6:13
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REST HTTP status codes for failed validation or invalid duplicate
...of issue. The only other alternative is 422 Unprocessable Entity. It actually comes from WebDav but it is perfectly valid to reuse any status code that has been registered with IANA.
– Darrel Miller
Jul 20 '10 at 19:38
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Can I force pip to reinstall the current version?
... a current version of a package seems not to be working and requires reinstallation. But pip install -U won't touch a package that is already up-to-date. I see how to force a reinstallation by first uninstalling (with pip uninstall ) and then installing, but is there a way to simply force an "upd...
IOS 7 Navigation Bar text and arrow color
I want to set background for Navigation Bar to be black and all colors inside it to be white .
11 Answers
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Optimistic vs. Pessimistic locking
...to the database for your session. In this situation the client cannot actually maintain database locks as the connections are taken from a pool and you may not be using the same connection from one access to the next.
Pessimistic Locking is when you lock the record for your exclusive use until you...