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How do I get the value of text input field using JavaScript?

...t the desired occurrence. For the first element, use [0], for the second one use 1, and so on... Method 2: Use document.getElementsByClassName('class_name')[whole_number].value which returns a Live HTMLCollection For example, document.getElementsByClassName("searchField")[0].value; if...
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Why use apparently meaningless do-while and if-else statements in macros?

...nt is to use up the semicolon in contexts where a dangling semicolon is erroneous. Of course, it could (and probably should) be argued at this point that it would be better to declare BAR as an actual function, not a macro. In summary, the do ... while is there to work around the shortcomings of t...
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What's the difference between echo, print, and print_r in PHP?

...ake multiple parameters (although such usage is rare) while print can take one argument. echo is marginally faster than print." - I do believe you've been plagiarized, sir. – Travesty3 Aug 26 '15 at 19:30 ...
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How do I create a new GitHub repo from a branch in an existing repo?

...at you don't need to create a repo on Github, you can just push to a local one (i.e. git init instead of Github > New > ...) – OJFord Apr 19 '16 at 12:19 1 ...
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How to change field name in Django REST Framework

...swered Apr 9 '14 at 9:49 erthalionerthalion 2,12611 gold badge1616 silver badges2727 bronze badges ...
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How do API Keys and Secret Keys work? Would it be secure if I have to pass my API and secret keys to

...ction and its inverse. Theoretically, any mathematical functions that maps one thing to another can be reversed. In practice, though, you can make a function that scrambles its input so well that it's incredibly difficult to reverse. Taking an input and applying a one-way function is called "hashin...
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What is the difference between a definition and a declaration?

...anks to litb (Johannes Schaub) who dug out the actual chapter and verse in one of his answers. share | improve this answer | follow | ...
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Approximate cost to access various caches and main memory?

Can anyone give me the approximate time (in nanoseconds) to access L1, L2 and L3 caches, as well as main memory on Intel i7 processors? ...
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How to request a random row in SQL?

... -1 for relying on order by rand() or equivalents in all dbs :|. also mentioned here. – AD7six May 26 '14 at 9:27 21 ...
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How to write to a file in Scala?

...jects for different aspects and extensions of IO. There are two main components of Scala IO: Core - Core primarily deals with Reading and writing data to and from arbitrary sources and sinks. The corner stone traits are Input, Output and Seekable which provide the core API. Other classes...