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default select option as blank

...n't show up in the list anymore. Option 2 If you don't want to write CSS and expect the same behaviour of the solution above, just use: <option hidden disabled selected value> -- select an option -- </option> ...
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Python nonlocal statement

What does the Python nonlocal statement do (in Python 3.0 and later)? 9 Answers 9 ...
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How do you tell if caps lock is on using JavaScript?

...s/edit?js,output Also, here is a modified version (can someone test on mac and confirm) NEW VERSION: https://jsbin.com/xiconuv/edit?js,output NEW VERSION: function isCapslock(e) { const IS_MAC = /Mac/.test(navigator.platform); const charCode = e.charCode; const shiftKey = e.shiftKey; if (...
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How should I call 3 functions in order to execute them one after the other?

... In Javascript, there are synchronous and asynchronous functions. Synchronous Functions Most functions in Javascript are synchronous. If you were to call several synchronous functions in a row doSomething(); doSomethingElse(); doSomethingUsefulThisTime(); th...
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Get city name using geolocation

I managed to get the user's latitude and longitude using HTML-based geolocation. 11 Answers ...
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Some projects cannot be imported because they already exist in the workspace error in Eclipse

I am trying to import a project that me and my co-worker have been working on.. and keep getting this error after I select-- "import" then "import existing project" then click archive file, and then I click next, and this error comes up: ...
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How to import a single table in to mysql database using command line

I had successfully imported a database using command line, but now my pain area is how to import a single table with its data to the existing database using command line. ...
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nodeJs callbacks simple example

...have already searched for the same on many websites but not able to understand it properly, Please give me a simple example. ...
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How does a debugger work?

...ary the one that can be 'attached' to already running executable. I understand that compiler translates code to machine language, but then how does debugger 'know' what it is being attached to? ...
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S3 Error: The difference between the request time and the current time is too large

I have error The difference between the request time and the current time is too large when call method amazons3.ListObjects ...