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String was not recognized as a valid DateTime “ format dd/MM/yyyy”

... You need to call ParseExact, which parses a date that exactly matches a format that you supply. For example: DateTime date = DateTime.ParseExact(this.Text, "dd/MM/yyyy", CultureInfo.InvariantCulture); The IFormatProvider parameter spe...
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How do I do a Date comparison in Javascript? [duplicate]

... to compare two dates in javascript. I have been doing some research, but all I can find is how to return the current date. I want to compare 2 separate dates, not related to today. How do I do that. ...
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How to write a simple Html.DropDownListFor()?

...ublic class PageModel { public int MyColorId { get; set; } } And, finally, let's say that you have the following list of colors. They could come from a Linq query, from a static list, etc.: public static IEnumerable<Color> Colors = new List<Color> { new Color { ColorI...
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Extract hostname name from string

...pm package psl (Public Suffix List). The "Public Suffix List" is a list of all valid domain suffixes and rules, not just Country Code Top-Level domains, but unicode characters as well that would be considered the root domain (i.e. www.食狮.公司.cn, b.c.kobe.jp, etc.). Read more about it here. T...
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Should I impose a maximum length on passwords?

...t assume the worst and expect that this site is storing your password literally (i.e. not hashed, as explained by epochwolf). In that that is the case: Avoid using this site like the plague if possible. They obviously know nothing about security. If you truly must use the site, make sure your pas...
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ab load testing

...While ab runs, there will be -c clients hitting the site. This is what actually decides the amount of stress your site will suffer during the benchmark. -n: Indicates how many requests are going to be made. This just decides the length of the benchmark. A high -n value with a -c value that your ser...
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Make HTML5 video poster be same size as video itself

...etter answer. doesn't break anything, and not preloading a video doesn't really hurt your page unless it's a video centric site. +1. – totallyNotLizards Nov 9 '15 at 17:41 1 ...
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Encode URL in JavaScript?

... according to @CMS encodeURI is not really safe for URL encoding. – Ifnot Mar 1 '13 at 16:35 13 ...
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Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink

... One thing to mention is that, in my testing and a really old comment by someone else it seems you can't have an always-on scrollbar AND the momentum-like scrolling that people are used to with iOS. Doing the momentum-scrolling CSS caused my custom scrollbars to disappear. ...
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What is “X-Content-Type-Options=nosniff”?

... You must mention that is for servers hosting untrusted content. For websites that don't display content from user uploads, you don't need to set this. – machineaddict Jul 15 '14 at 9:43 ...