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Setting environment variables on OS X

...;plist version="1.0"> <dict> <key>Label</key> <string>osx-env-sync</string> <key>ProgramArguments</key> <array> <string>bash</string> <string>-l</string> <string>-c</string> <string> ...
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Is there an MD5 Fixed Point where md5(x) == x?

...cessarily also have to be 128 bits long. Assuming that the MD5 sum of any string is uniformly distributed over all possible sums, then the probability that any given 128-bit string is a fixed point is 1/2128. Thus, the probability that no 128-bit string is a fixed point is (1 − 1/2128)2128, so t...
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How to convert an IPv4 address into a integer in C#?

...pping: using System; using System.Net; class App { static long ToInt(string addr) { // careful of sign extension: convert to uint first; // unsigned NetworkToHostOrder ought to be provided. return (long) (uint) IPAddress.NetworkToHostOrder( (int) IPAddr...
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How to get datetime in JavaScript?

...emantically, you're probably looking for the one-liner new Date().toLocaleString() which formats the date in the locale of the user. If you're really looking for a specific way to format dates, I recommend the moment.js library. ...
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String formatting in Python 3

... old format syntax nor in the new, thus should be present in the generated string, unchanged. – mgibsonbr Mar 22 '19 at 5:45 ...
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How can I get my webapp's base URL in ASP.NET MVC?

... Assuming you have a Request object available, you can use: string.Format("{0}://{1}{2}", Request.Url.Scheme, Request.Url.Authority, Url.Content("~")); If it's not available, you can get to it via the context: var request = HttpContext.Current.Request ...
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Is it possible to use Swift's Enum in Obj-C?

... Shamelessly taken from the Swift Blog Note: This would not work for String enums or enums with associated values. Your enum will need to be Int-bound In Objective-C this would look like Bear type = BearBlack; switch (type) { case BearBlack: case BearGrizzly: case BearPolar: ...
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How to get only time from date-time C# [closed]

...ns for this: DateTime dt = DateTime.Parse("6/22/2009 07:00:00 AM"); dt.ToString("HH:mm"); // 07:00 // 24 hour clock // hour is always 2 digits dt.ToString("hh:mm tt"); // 07:00 AM // 12 hour clock // hour is always 2 digits dt.ToString("H:mm"); // 7:00 // 24 hour clock dt.ToString("h:mm tt"); // 7...
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How to prepend a string to a column value in MySQL?

...QL update statement for updating a particular field of all the rows with a string "test" to be added in the front of the existing value. ...
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How does the SQL injection from the “Bobby Tables” XKCD comic work?

... 'Derper') The ' in the student's name is not a comment, it's the closing string delimiter. Since the student's name is a string, it's needed syntactically to complete the hypothetical query. Injection attacks only work when the SQL query they inject results in valid SQL. Edited again as per dan...