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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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How do I get a file extension in PHP?

...uilt-in function to do that and not PHP (I am looking at Pythonistas right now :-)). In fact, it does exist, but few people know it. Meet pathinfo(): $ext = pathinfo($filename, PATHINFO_EXTENSION); This is fast and built-in. pathinfo() can give you other information, such as canonical path, depe...
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Why is Go so slow (compared to Java)?

...fically, the goroutine scheduler isn't pre-emptive). Beyond that, I don't know Google's plans, whether the g compilers will ever be fiercely optimising, or if only gccgo will. – Steve Jessop Apr 24 '10 at 17:46 ...
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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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Sleep for milliseconds

I know the POSIX sleep(x) function makes the program sleep for x seconds. Is there a function to make the program sleep for x milliseconds in C++? ...
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Java 7 language features with Android

...ng if anyone has tried using new Java 7 language features with Android? I know that Android reads the bytecode that Java spits out and turns it to dex. So I guess my question is can it understand the bytecode of Java 7? ...
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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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How to export table as CSV with headings on Postgresql?

... For v9.5, the command is now COPY products_273 TO '/tmp/products_199.csv' WITH (FORMAT CSV, HEADER); – Shubham Goyal Apr 20 '16 at 10:02 ...
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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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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...