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Auto margins don't center image in page

...a flexbox: display: flex; align-items: center; justify-content: center and now your content is horizontally and vertically centered. Or move that to align-self: center; justify-self: center on the content itself. css-tricks.com/snippets/css/a-guide-to-flexbox – Mike 'Pomax' Kam...
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How to create module-wide variables in Python? [duplicate]

...name. Imagine a file called foo.py, containing this single line: X = 1 Now imagine you import it. import foo print(foo.X) # prints 1 However, let's suppose you want to use one of your module-scope variables as a global inside a function, as in your example. Python's default is to assume tha...
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best way to get the key of a key/value javascript object

... You can now use spread operator for this purpose, it looks better: const [firstKey, ...rest] = Object.keys(obj); – Nerlin Dec 13 '17 at 21:08 ...
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Link and execute external JavaScript file hosted on GitHub

... There is a good workaround for this, now, by using jsdelivr.net. Steps: Find your link on GitHub, and click to the "Raw" version. Copy the URL. Change raw.githubusercontent.com to cdn.jsdelivr.net Insert /gh/ before your username. Remove the branch name. (Opt...
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How to update gradle in android studio?

...of course I updated. After the installation I restarted Android Studio but now I get this message: 14 Answers ...
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Java using enum with switch statement

...ue and then switch on the enum value. enum GuideView { SEVEN_DAY, NOW_SHOWING, ALL_TIMESLOTS } // Working on the assumption that your int value is // the ordinal value of the items in your enum public void onClick(DialogInterface dialog, int which) { // do your own bounds checking...
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How to declare a global variable in a .js file

..._PATH/global.js" type="text/javascript"></script> <!-- Now we can reference variables, objects, functions etc. defined in global.js --> <script src="/YOUR_PATH/otherJsFile.js" type="text/javascript"></script> </head> [...] </h...
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What are dictionary view objects?

...eritems() returns an iterator over the dictionary’s (key, value) pairs. Now take the following example to see the difference between an interator of dict and a view of dict >>> d = {"x":5, "y":3} >>> iter = d.iteritems() >>> del d["x"] >>> for i in iter: print...
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How do I skip an iteration of a `foreach` loop?

...e simplest (though maybe the logic inside is the same) way of doing this - now that you have Linq available. Though you should ensure that .Skip is called only once for performance reasons. (Yeah, I see now that this is not the straight forward answer to OP's question, though a valuable addition to ...
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Change “on” color of a Switch

... As of now it is better to use SwitchCompat from the AppCompat.v7 library. You can then use simple styling to change the color of your components. values/themes.xml: <style name="Theme.MyTheme" parent="Theme.AppCompat.Light"&gt...