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Change one value based on another value in pandas

...her columns by using the + operation which is overridden for series. Fancy string formatting, f-strings etc won't work here since the + applies to scalars and not 'primitive' values: df['description'] = 'A ' + df.age.astype(str) + ' years old ' \ + df.type + ' ' + df.animal In ...
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Add new item count to icon on button - Android

...ate Paint mTextPaint; private Rect mTxtRect = new Rect(); private String mCount = ""; private bool mWillDraw = false; public CountDrawable(Context context) { float mTextSize = context.Resources.GetDimension(Resource.Dimension.badge_count_textsize); mBadgePaint ...
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Secure random token in Node.js

...e('crypto').randomBytes(48, function(err, buffer) { var token = buffer.toString('hex'); }); The 'hex' encoding works in node v0.6.x or newer. share | improve this answer | ...
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How to call a SOAP web service on Android [closed]

...ice. Now take an input stream on the same HTTP connection and receive the string object. This string object is a SOAP response. If the response code is other than 200 then take a ErrorInput stream on same HTTPobject and receive the error if any. Parse the received response using SAXParser (in my c...
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What's the point of const pointers?

...st drop the const from the argument, and preferably comment why. That tiny extra bit of work doesn't justify marking all arguments as non-const by default and opening yourself up to all the potential errors that creates. – underscore_d May 23 '17 at 10:20 ...
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Continuous Integration for Ruby on Rails? [closed]

...lso RSpec, Cucumber, Jasmine, Konacha integrations, and supports arbitrary extra test commands) Integration with Rake and/or Capistrano (uses Rake to run commands and set up DBs, support continuous deployment using Capistrano or Heroku, or anything really) A web interface showing the status of the b...
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How do I echo and send console output to a file in a bat script?

... always the last one! So it is equal to dir > two.txt Ok, there is one extra possibility, redirecting a stream to another stream. dir 1>files.txt 2>&1 2>&1 redirects stream2 to stream1 and 1>files.txt redirects all to files.txt. The order is important here! dir ... 1>...
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What is “rvalue reference for *this”?

... within this heterogeneous set, a member function is considered to have an extra parameter, called the implicit object parameter, which represents the object for which the member function has been called. [...] p3 Similarly, when appropriate, the context can construct an argument list that contains ...
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Impossible to make a cached thread pool with a size limit?

...ecause such queue may cause executor to create massive number of non-core, extra threads if it follows its usual policy. A queue of max size Integer.MAX_VALUE. Submit() will throw RejectedExecutionException if number of pending tasks exceeds Integer.MAX_VALUE. Not sure we will run out of memory firs...
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How to use __doPostBack()

...nd operate upon it: public void Page_Load(object sender, EventArgs e) { string parameter = Request["__EVENTARGUMENT"]; // parameter // Request["__EVENTTARGET"]; // btnSave } Give that a try and let us know if that worked for you. ...