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Is it correct to use DIV inside FORM?

... It is totally fine . The form will submit only its input type controls ( *also Textarea , Select , etc...). You have nothing to worry about a div within a form. ...
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No identities were available - administrator request

...one) In your project's build settings update your code signing identities (all of them) to the new one if there is one. (The old one was probably expired which is one of the biggest causes for the error message you saw) Verify that your bundle ID is correct (CaSe SeNsEtIvE) Back to XCode Organizer -...
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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home

...'`" But standard double-clickable application bundles don't use JDKs installed under /Library/Java at all. Old-style .app bundles using Apple's JavaApplicationStub will use Apple Java 6 from /System/Library/Frameworks, and new-style ones built with AppBundler without a bundled JRE will use the "p...
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How to asynchronously call a method in Java

...ve something similar in Java. As far as I've searched the common way to parallelize a method call is to do something like: ...
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Django gives Bad Request (400) when DEBUG = False

... The ALLOWED_HOSTS list should contain fully qualified host names, not urls. Leave out the port and the protocol. If you are using 127.0.0.1, I would add localhost to the list too: ALLOWED_HOSTS = ['127.0.0.1', 'localhost'] You...
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How to change the session timeout in PHP?

...cted immediately but only whenever the session GC kicks in. GC is a potentially expensive process, so typically the probability is rather small or even zero (a website getting huge numbers of hits will probably forgo probabilistic GC entirely and schedule it to happen in the background every X minut...
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Redirect stdout to a file in Python?

...t it back when you're done, sys.stdout = stdout. That way if you're being called from a function that uses print you don't screw them up. – mgold Dec 20 '12 at 15:06 4 ...
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What is the difference between require_relative and require in Ruby?

... the docs: require_relative complements the builtin method require by allowing you to load a file that is relative to the file containing the require_relative statement. For example, if you have unit test classes in the "test" directory, and data for them under the test "test/data" directo...
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Use cases for the 'setdefault' dict method

...e case: Grouping items (in unsorted data, else use itertools.groupby) # really verbose new = {} for (key, value) in data: if key in new: new[key].append( value ) else: new[key] = [value] # easy with setdefault new = {} for (key, value) in data: group = new.setdefault(k...
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How do you query for “is not null” in Mongo?

... This will return all documents with a key called "IMAGE URL", but they may still have a null value. db.mycollection.find({"IMAGE URL":{$exists:true}}); This will return all documents with both a key called "IMAGE URL" and a non-null value. d...