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delete map[key] in go?

...ven if the key is already absent from the map. delete(timeZone, "PDT") // Now on Standard Time share | improve this answer | follow | ...
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Create new user in MySQL and give it full access to one database

...de/site accessing MySQL on the same machine, hostname would be localhost. Now, the break down. GRANT - This is the command used to create users and grant rights to databases, tables, etc. ALL PRIVILEGES - This tells it the user will have all standard privileges. This does not include the privileg...
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'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?

...d b is almost the same as b if a else a, except a is evaluated only once. Now sit for a few minutes with a pen and paper, and convince yourself that when {a,b} is a subset of {True,False}, it works exactly as you would expect of Boolean operators. But I hope I have convinced you it is much more gen...
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How to get IP address of the device from code?

...oid) file. I've run this code only on few devices and Emulator but let me know here if you find weird results. // AndroidManifest.xml permissions <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> //...
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Switch on ranges of integers in JavaScript [duplicate]

... the > comparisons, they just make it confusing. By the second case we know that x must not be less than 5, so we might as well not include the overlapping comparisons - they'll just cause confusion later on. – David Mason Oct 9 '13 at 23:34 ...
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Convert SVG to image (JPEG, PNG, etc.) in the browser

... You can now use the JavaScript SVG library Pablo to achieve this (I made it). See the toImage() and also download() for an auto-downloaded image. – Premasagar Sep 15 '14 at 14:04 ...
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Responsively change div size keeping aspect ratio [duplicate]

...e put together a demo here: http://codepen.io/tcmulder/pen/iqnDr EDIT: Now, bumming off of Isaac's idea, it's easier in modern browsers to simply use vw units to force aspect ratio (although I wouldn't also use vh as he does or the aspect ratio will change based on window height). So, this simp...
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Order of event handler execution

...Ah, I see where I'm going wrong: "Event handlers are delegates, right?". I now know they're not. Have written myself an event that fires handlers in reverse order, just to prove it to myself :) – Rawling Mar 1 '10 at 10:56 ...
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Showing Travis build status in GitHub repo

... should see payload successfully sent. If this works, your github repo is now hooked up to your travis. EDIT3: The OP is asking about the travis build status for commits found in pull requests pages. He assumed that the travis build status will appear anywhere as long as there is a commit. My a...
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Referring to the null object in Python

... message that mentions that NoneType can't do this or can't do that, just know that it's simply the one None that was being used in a way that it can't. Also, None is a built-in constant. As soon as you start Python, it's available to use from everywhere, whether in module, class, or function. NoneT...