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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]

...is no difference at all. Second representation makes query more readable and makes it look very clear as to which join corresponds to which condition. share | improve this answer | ...
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How to optimize for-comprehensions and loops in Scala?

...imizer can eliminate the foreach but cannot yet eliminate the throw/catch. And throw/catch is expensive. But since such nested returns are rare in Scala programs, the optimizer did not yet address this case. There is work going on to improve the optimizer which hopefully will solve this issue soon. ...
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How do I integrate Ajax with Django applications?

I am new to Django and pretty new to Ajax. I am working on a project where I need to integrate the two. I believe that I understand the principles behind them both, but have not found a good explanation of the two together. ...
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jQuery .live() vs .on() method for adding a click event after loading dynamic html

... If you want the click handler to work for an element that gets loaded dynamically, then you set the event handler on a parent object (that does not get loaded dynamically) and give it a selector that matches your dynamic object like this: $('#pare...
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Git diff against a stash

...h show -p stash@{1} From the git stash manpages: By default, the command shows the diffstat, but it will accept any format known to git diff (e.g., git stash show -p stash@{1} to view the second most recent stash in patch form). ...
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Does JavaScript have a method like “range()” to generate a range within the supplied bounds?

... console.log([...Array(5).keys()]); (ES6 credit to nils petersohn and other commenters) share | improve this answer | follow | ...
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Renew Provisioning Profile

...hnique is not working for me this morning. I get as far as "Listing Teams" and then a pop-up tells me "Request Timed-out" – Tony Adams Feb 13 '12 at 13:20 ...
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What does “The APR based Apache Tomcat Native library was not found” mean?

... really want it, download the tcnative-1.dll (or libtcnative.so for Linux) and put it in the bin folder, and add a system property to the launch configuration of the tomcat server in eclipse. -Djava.library.path=c:\dev\tomcat\bin ...
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How to check Django version

I have to use Python and Django for our application. So I have two versions of Python, 2.6 and 2.7. Now I have installed Django. I could run the sample application for testing Django succesfuly. But how do I make sure whether Django uses the 2.6 or 2.7 version and what version of modules Django ...
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Restricting input to textbox: allowing only numbers and decimal point

How can I restrict input to a text-box so that it accepts only numbers and the decimal point? 32 Answers ...