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How to replace NaN values by Zeroes in a column of a Pandas Dataframe?

...00 EDIT: To avoid a SettingWithCopyWarning, use the built in column-specific functionality: df.fillna({1:0}, inplace=True) share | improve this answer | follow ...
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Rails: confused about syntax for passing locals to partials

...short answer is the render method looks at the first argument you pass in. If you pass in a hash (which includes :partial => 'foo', :locals => {blah blah blah}) then it will pass in all of your arguments as a hash and parse them accordingly. If you pass in a string as your first argument, i...
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How many threads can a Java VM support?

... I know this question is pretty old but just want to share my findings. My laptop is able to handle program which spawns 25,000 threads and all those threads write some data in MySql database at regular interval of 2 seconds. ...
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How to add a button dynamically in Android?

...d(R.id.buttonlayout); LayoutParams lp = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT); ll.addView(myButton, lp); Have a look to this example share | improve this answer ...
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std::unique_lock or std::lock_guard?

... The difference is that you can lock and unlock a std::unique_lock. std::lock_guard will be locked only once on construction and unlocked on destruction. So for use case B you definitely need a std::unique_lock for the condition v...
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LINQ Join with Multiple Conditions in On Clause

...tID == x.ProjectID && x.Completed == true) .DefaultIfEmpty() select new { t1.ProjectName, t2.TaskName } share | improve this answer | follow ...
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pass post data with window.location.href

... I have data coming from 3 different forms and I am trying to send all 3 forms to the same page so I've been trying to serialize the forms with jQuery and send them some other way – Brian Mar 3 '10 at 1:55 ...
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Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize

... If someone does not know how to do this - sudo gedit ~/.profile, add the line from the answer there and save the file. – gotqn Jul 1 '15 at 13:16 ...
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How can I check if the current date/time is past a set date/time?

...r, if you are using UTC dates (as you should), prefer to use new DateTime("now", new DateTimeZone('UTC')). This will prevent your app from misunderstandable bugs in dates. i advise you to store it in a function static variable, a class static or somewhere else in your running process... ...
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Socket.IO Authentication

... @Alfred that link seems to be dead now :( – Pro Q Aug 8 '16 at 4:28 @Alfred's ...