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Is it possible to data-bind visible to the negation (“!”) of a boolean ViewModel property?

... a button, the value become TRUE self.isSearchContentValid(true); }; Now on your HTML you should do this <p data-bind = "visible:isSearchContentValid() === false"> Text 1</p> <p data-bind = "visible:isSearchContentValid"> Text 2</p> When the program starts only "Text...
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Closing JDBC Connections in Pool

...o, isn't the purpose of pooling lost? And if not, how does the DataSource know when a particular instance of Connection is freed up and can be reused? I am a little confused on this one, any pointers appreciated. Yes, certainly you need to close the pooled connection as well. It's actually a wrappe...
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Firing events on CSS class changes in jQuery

... @riscarrott i don't presume to know the OP's application. I'm just presenting them with the concept of pub/sub and they can apply it however they'd like. Disputing what the actual event name should be with the amount of info given is silly. ...
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Automatic Preferred Max Layout Width is not available on iOS versions prior to 8.0

...e as marking explicit and setting the value 0. Update 1: This bug has now been fixed in Xcode 6 GM. Original Answer This is a bug in Xcode6-Beta6 and XCode6-Beta7 and can be safely ignored for now. An Apple engineer in the Apple Developer forums had this to say about the bug: Preferred ma...
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How is a CRC32 checksum calculated?

... x^5 + x^4 + 3*x^3 + x^2 + x^1 + x^0 (or that original number we had) I know this is a leap of faith but this is beyond my capability as a line-programmer. If you are a hard-core CS-student or engineer I challenge to break this down. Everyone will benefit from this analysis. So to work out a full...
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fetch in git doesn't get all branches

...d the origin remote, and recreated it. That seems to have fixed it. Don't know why. remove with: git remote rm origin and recreate with: git remote add origin <git uri> share | improve this ...
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Why doesn't Java allow overriding of static methods?

...he Java language spec and say "see, this is documented how it behaves". I know that. But is there a good reason why it SHOULD behave this way? (Besides the obvious "making it work right was too hard"...) Update @VicKirk: If you mean that this is "bad design" because it doesn't fit how Java handles...
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In Eclipse, can I have multiple Console views at once, each showing a different Console?

...k this button one of your options should be "New Console View". You'll now have 2 console views. One of your other buttons near your console tab is "Display Selected Console". When you choose this option you can select from any of your running applications. Just select the tab, select which a...
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The input is not a valid Base-64 string as it contains a non-base 64 character

...w. Logic is to remove everything after , if data: is present. Bam. Working now. – Maxime Rouiller Jun 14 '16 at 13:14 ...
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How to merge dictionaries of dictionaries?

...appropriate here. d3 = d1.copy() d3.update(d2) return d3 And now from functools import reduce reduce(rec_merge, (d1, d2, d3, d4)) returns {'a': {1: 'quux', 2: 'bar'}, 'b': {3: 'baz'}} Application to the original question: I've had to remove the curly braces around the letters an...