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HTTP POST Returns Error: 417 “Expectation Failed.”

...ata.Add("username", "Moose"); postData.Add("password", "NotMoosespasswordreally"); Edit: Okay, since that is not the problem, one way to tackle this is to use something like Fiddler or Wireshark to watch what is being sent to the web server from the browser successfully, then compare that to what...
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append multiple values for one key in a dictionary [duplicate]

...r methods described in the other answers. – Jean-François Fabre♦ Mar 6 '18 at 8:04 add a comment  |  ...
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Best way to convert string to bytes in Python 3?

...ferent ways: If it is a string, you must also give the encoding (and optionally, errors) parameters; bytearray() then converts the string to bytes using str.encode(). If it is an integer, the array will have that size and will be initialized with null bytes. If it is an object conforming to the buff...
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How to hide first section header in UITableView (grouped style)

... Actually, a better implementation (less likely to break in the future) is to use CGFLOAT_MIN instead of a hard-coded value. In other words, don't return 1.0f or 0.1f instead, return CGFLOAT_MIN If Apple ever changes the minimum a...
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Commit only part of a file in Git

...do not stage this hunk or any of the remaining hunks a stage this hunk and all later hunks in the file d do not stage this hunk or any of the later hunks in the file g select a hunk to go to / search for a hunk matching the given regex j leave this hunk undecided, see next undecided hunk J leave thi...
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Spring JPA selecting specific columns

I am using Spring JPA to perform all database operations. However I don't know how to select specific columns from a table in Spring JPA? ...
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Why dict.get(key) instead of dict[key]?

... It allows you to provide a default value if the key is missing: dictionary.get("bogus", default_value) returns default_value (whatever you choose it to be), whereas dictionary["bogus"] would raise a KeyError. If omitted...
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Precise Financial Calculation in JavaScript. What Are the Gotchas?

...avoid when using JavaScript to do this type of math—if it is possible at all! 7 Answers ...
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JavaScript closure inside loops – simple practical example

...pport let but get the above wrong (they don't create a new i each time, so all the functions above would log 3 like they would if we used var). Edge 14 finally gets it right. ES5.1 solution: forEach With the relatively widespread availability of the Array.prototype.forEach function (in 2015), it's ...
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Random Gaussian Variables

... edited May 28 '12 at 19:07 Dänu 5,17399 gold badges3636 silver badges5454 bronze badges answered Jan 4 '11 at 14:50 ...