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demystify Flask app.secret_key

... computer. The secret plus the data-to-sign are used to create a signature string, a hard-to-recreate value using a cryptographic hashing algorithm; only if you have the exact same secret and the original data can you recreate this value, letting Flask detect if anything has been altered without per...
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Sending emails in Node.js? [closed]

...ter compiling with webpack: TypeError: Cannot create property 'mailer' on string 'SMTP' at new Mail. I've gone to posts like this and then this page but still lost. – user1063287 Aug 20 '18 at 10:57 ...
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Difference between two dates in Python

... return abs((d2 - d1).days) This will convert your datetime objects to strings but, two things 1) Trying to do d2 - d1 will fail as you cannot use the minus operator on strings and 2) If you read the first line of the above answer it stated, you want to use the - operator on two datetime object...
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When should I use perror(“…”) and fprintf(stderr, “…”)?

... to perror(NULL) since a call to strerror(errno) will generate the printed string value for errno, and you can then combined that with any other custom error message via fprintf. share | improve thi...
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jQuery validation: change default error message

...tnes The solution works for your scenario too. You just specify the format string, and the plugin does the rest: $.validator.messages.maxlength = "Please enter no more than {0} characters."; – rusmus Sep 29 '14 at 11:37 ...
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How to get all enum values in Java?

...("1 rs"), NICKLE("5 rs"), DIME("10 rs"), QUARTER("25 rs"); private String value; private Currency(String brand) { this.value = brand; } @Override public String toString() { return value; } } public static void main(Str...
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When should I use malloc in C and when don't I?

... char *some_memory = "Hello World"; is creating a pointer to a string constant. That means the string "Hello World" will be somewhere in the read-only part of the memory and you just have a pointer to it. You can use the string as read-only. You cannot make changes to it. Example: some_...
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Execute and get the output of a shell command in node.js

... Have you tried this? I'm getting { stdout: string, stderr: string } as a result for the await exec(...) – fwoelffel Feb 8 '19 at 16:00 1 ...
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How do BitTorrent magnet links work?

... bencoder on hand and it matches what is expected from the client. static string CalculateInfoHash(string path) { // assumes info block is last entry in dictionary var infokey = "e4:info"; var offset = File.ReadAllText(path).IndexOf(infokey) + infokey.Length; byte[] fileHash = File....
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Visual Studio - Resx File default 'internal' to 'public'

...("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")] internal Strings() { } The derived class: public class PublicStrings : Strings { /// <summary> /// Public localization Strings. /// </summary> public PublicStrings() { } } ...