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How do I remove a property from a JavaScript object?

...d values. The delete operator is used to remove these keys, more commonly known as object properties, one at a time. var obj = { myProperty: 1 } console.log(obj.hasOwnProperty('myProperty')) // true delete obj.myProperty console.log(obj.hasOwnProperty('myProperty')) // false T...
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Getting JavaScript object key list

...s.length + ' keys: '+ keys); It's supported on most major browsers now. share | improve this answer | follow | ...
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Regex Email validation

...s that are being issued, as you can have TLD's with more than 3 characters now. – AaronLS Jul 22 '13 at 19:04 This reg...
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python setup.py uninstall

...d also undo any other stuff that installation did manually. If you don't know the list of all files, you can reinstall it with the --record option, and take a look at the list this produces. To record a list of installed files, you can use: python setup.py install --record files.txt Once you wa...
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Reading specific lines only

... linecache now appears to only work for python source files – Paul H Oct 11 '17 at 17:32 ...
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Email Address Validation in Android on EditText [duplicate]

...([a-zA-Z]+[\\w-]+\\.)+[a-zA-Z]{2,4})$").matcher(email).matches(); } Now check with String of EditText: if(isValidEmailId(edtEmailId.getText().toString().trim())){ Toast.makeText(getApplicationContext(), "Valid Email Address.", Toast.LENGTH_SHORT).show(); }else{ Toast.makeText(get...
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Modifying location.hash without page scrolling

... It would be useful to know which browsers need step 2 here. – djc Nov 5 '10 at 9:51 1 ...
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How to smooth a curve in the right way?

... @TimKuipers I tried this but get an error because now the x parameter has only size 2 (the scipy function does not seem to look "deeper" to see that this is actually a tuple of arrays each of size m, for m data points) – Chris K Apr 16 ...
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How to customize user profile when using django-allauth

... @pennsesr's answer has now been edited to use signup instead of save. – Flimm Sep 1 '17 at 15:29 add a comment ...
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How to get the file extension in PHP? [duplicate]

... this. You are relying on the order of the array being the same years from now. It's a lazy solution that will most likely cause issues in the future. – Wade Jul 29 '16 at 20:14 ...