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How can I detect if the user is on localhost in PHP?

In other words, how can I tell if the person using my web application is on the server it resides on? If I remember correctly, PHPMyAdmin does something like this for security reasons. ...
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Most efficient way to determine if a Lua table is empty (contains no entries)?

What's the most efficient way to determine if a table is empty (that is, currently contains neither array-style values nor dict-style values)? ...
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Declaring variables inside or outside of a loop

...tically that str absolutely ought to be declared within the while loop. No ifs, no ands, no buts. The only case where this rule might be violated is if for some reason it is of vital importance that every clock cycle must be squeezed out of the code, in which case you might want to consider instant...
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How to get subarray from array?

...[attr]; } return copy; } // With the `clone()` function, you can now do the following: Array.prototype.subarray = function(start, end) { if (!end) { end = this.length; } const newArray = clone(this); return newArray.slice(start, end); }; // Without a copy you will ...
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Dynamically load JS inside JS [duplicate]

... a dynamic web page where I need to import an external JS file (under an IF condition) inside another javascript file. 1...
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how to File.listFiles in alphabetical order?

... Ok, now you justify why it's simpler if you just want to print the results so I will remove my downvote. – zelanix Feb 18 '14 at 16:19 ...
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What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?

If I have some integer n, and I want to know the position of the most significant bit (that is, if the least significant bit is on the right, I want to know the position of the furthest left bit that is a 1), what is the quickest/most efficient method of finding out? ...
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CodeIgniter: How to get Controller, Action, URL information

...// class = controller $this->router->fetch_method(); That way you know you are always using the correct values even if you are behind a routed URL, in a sub-domain, etc. share | improve this...
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How do I create a unique ID in Java? [duplicate]

...eMillis; private long discriminator; public IdFactoryImpl() throws UnknownHostException { this.hostName = InetAddress.getLocalHost().getHostAddress(); this.creationTimeMillis = System.currentTimeMillis(); this.lastTimeMillis = creationTimeMillis; } public synchronized Serializa...
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How to implement “select all” check box in HTML?

...s_name); It's better than hard-coding the name and making the function specific to a particular set of checkboxes. – ADTC Apr 2 '16 at 4:39 ...