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“CAUTION: provisional headers are shown” in Chrome debugger
...on message when looking at downloaded resources using Google chrome inspector ( F12 ):
34 Answers
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What does middleware and app.use actually mean in Expressjs?
Almost every Express app I see has an app.use statement for middleware but I haven't found a clear, concise explanation of what middleware actually is and what the app.use statement is doing. Even the express docs themselves are a bit vague on this. Can you explain these concepts for me please?
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How do I convert a String to an InputStream in Java?
...that you want an InputStream that is a stream of bytes that represent your original string encoded as UTF-8.
For versions of Java less than 7, replace StandardCharsets.UTF_8 with "UTF-8".
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NSString: isEqual vs. isEqualToString
...han isEqual:.
isEqualTo<Class> is used to provide specific checks for equality. For instance; isEqualToArray: checks that the arrays contain an equal number of objects, and that the objects at a given index return YES for the isEqual: test.
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convert streamed buffers to utf8-string
...have a single Buffer you can use its toString method that will convert all or part of the binary contents to a string using a specific encoding. It defaults to utf8 if you don't provide a parameter, but I've explicitly set the encoding in this example.
var req = http.request(reqOptions, function(re...
Shorthand way for assigning a single field in a record, while copying the rest of the fields?
Let's say I have the following record ADT:
3 Answers
3
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What is the ideal data type to use when storing latitude / longitude in a MySQL database?
Bearing in mind that I'll be performing calculations on lat / long pairs, what datatype is best suited for use with a MySQL database?
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Prevent any form of page refresh using jQuery/Javascript
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#1 can be implemented via window.onbeforeunload.
For example:
<script type="text/javascript">
window.onbeforeunload = function() {
return "Dude, are you sure you want to leave? Think of the kittens!";
}
</script>
The user will be...
Partial classes in separate dlls
...me type must be
defined in the same assembly and the
same module (.exe or .dll file).
Partial definitions cannot span
multiple modules.
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What's the meaning of * (asterisk) in XAML ColumnDefinition?
...dth,
Auto – column will become as wide as necessary to fit its children, or
* (star) take up any available remaining space
The * is prefixed by a number (default is 1 if no number is specified). The available space is divided among the starred columns in proportion to the prefix number.
If you ...