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Generating a drop down list of timezones with PHP

Most sites need some way to show the dates on the site in the users preferred timezone. Below are two lists that I found and then one method using the built in PHP DateTime class in PHP 5. ...
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How to make CSS width to fill parent?

... EDIT: Those three different elements all have different rendering rules. So for: table#bar you need to set the width to 100% otherwise it will be only be as wide as it determines it needs to be. However, if the table rows to...
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Is the order of iterating through std::map known (and guaranteed by the standard)?

...re sorted according to the keys. So, let's say the keys are integers. If I iterate from std::map::begin() to std::map::end() using a for , does the standard guarantee that I'll iterate consequently through the elements with keys, sorted in ascending order? ...
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Given an RGB value, how do I create a tint (or shade)?

Given an RGB value, like 168, 0, 255 , how do I create tints (make it lighter) and shades (make it darker) of the color? 3...
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How do you create an asynchronous method in C#?

... I don't recommend StartNew unless you need that level of complexity. If your async method is dependent on other async methods, the easiest approach is to use the async keyword: private static async Task<DateTime> CountToAsync(int num = 10) { for (int i = 0; i < num; i++) { ...
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What is “thread local storage” in Python, and why do I need it?

...ared, except for function-local variables (because each function call gets its own set of locals, and threads are always separate function calls.) And even then, only the variables themselves (the names that refer to objects) are local to the function; objects themselves are always global, and anyth...
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RESTfully design /login or /register resources?

...[...] [... H]andling [of GET requests] by the server is not technically limited in any way. Therefore, careless or deliberate programming can cause non-trivial changes on the server. This is discouraged, because it can cause problems for Web caching, search engines and other automated agents [...] ...
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Setting environment variables on OS X

...apps # (and Terminal), including those launched via Spotlight. # # After editing this file run the following command from the terminal to update # environment variables globally without needing to reboot. # NOTE: You will still need to restart the relevant application (including # Terminal) to pick ...
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How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?

...ey) DO UPDATE (and ON CONFLICT (key) DO NOTHING), i.e. upsert. Comparison with ON DUPLICATE KEY UPDATE. Quick explanation. For usage see the manual - specifically the conflict_action clause in the syntax diagram, and the explanatory text. Unlike the solutions for 9.4 and older that are given below, ...
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ctypes - Beginner

...brary into a python class. The docs are incredibly vague on this matter. It seems they expect only advanced python users would implement ctypes. Well i'm a beginner in python and need help. ...