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Find location of a removable SD card

...ny access to them prior to that was through private, unsupported APIs. We now have a quite rich API in the platform that allows applications to make use of SD cards in a supported way, in better ways than they have been able to before: they can make free use of their app-specific storage area witho...
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Modify request parameter with servlet filter

...h my values in controller and I have set tha parameter(email and pass) ... now how can i replace the values in my servlet <property name="username" value="somemail@gmail.com" /> //Change email on logging in <property name="password" val...
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warning this call is not awaited, execution of the current method continues

... If you really don't need the result, you can simply change the GetNameAsync's signature to return void: public static async void GetNameAsync() { ... } Consider to see answer to a related question: What's the differenc...
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How do I validate a date string format in python?

...start needing to parse other formats in the future, as it can handle most known formats intelligently and allows you to modify your specification: dateutil parsing examples. It also handles timezones if you need that. Update based on comments: parse also accepts the keyword argument dayfirst whi...
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Relative URL to a different port number in a hyperlink?

Is there a way without Javascript / server-side scripting to link to a different port number on the same box, if I don't know the hostname? ...
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Changing UIImage color

...ngModeAlwaysTemplate]; [theImageView setTintColor:[UIColor redColor]]; Swift 2.0: theImageView.image = theImageView.image?.imageWithRenderingMode(.AlwaysTemplate) theImageView.tintColor = UIColor.magentaColor() Swift 4.0: theImageView.image = theImageView.image?.withRenderingMode(.alwaysTempl...
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Android selector & text color

... Here is the example of selector. If you use eclipse , it does not suggest something when you click ctrl and space both :/ you must type it. <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:drawable="@drawable/btn...
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Ruby convert Object to Hash

Let's say I have a Gift object with @name = "book" & @price = 15.95 . What's the best way to convert that to the Hash {name: "book", price: 15.95} in Ruby, not Rails (although feel free to give the Rails answer too)? ...
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Sending POST data in Android

...ant to pass with the POST request to as name-value pairs //Now we put those sending details to an ArrayList with type safe of NameValuePair List<NameValuePair> nameValuePairList = new ArrayList<NameValuePair>(); nameValuePairList.add(userna...
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How to delete items from a dictionary while iterating over it?

...)) and it should work. A simple test in the console shows you cannot modify a dictionary while iterating over it: >>> mydict = {'one': 1, 'two': 2, 'three': 3, 'four': 4} >>> for k, v in mydict.iteritems(): ... if k == 'two': ... del mydict[k] ... ------------------...