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Recommended way to insert elements into map [duplicate]
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insert is not a recommended way - it is one of the ways to insert into map. The difference with operator[] is that the insert can tell whether the element is inserted into the map. Also, if your class has no default constructor, you are forced to use insert. ...
Android Fragment onClick button Method
...trying to invoke the method in my onClick (View v) XML, but does not work with Fragment. This is the error.
6 Answers
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How many and which are the uses of “const” in C++?
...s that look still very obscure to me, one of these is const . You can use it in so many places and with so many different effects that is nearly impossible for a beginner to come out alive. Will some C++ guru explain once forever the various uses and whether and/or why not to use them?
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JSON Stringify changes time of date because of UTC
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Recently I have run into the same issue. And it was resolved using the following code:
x = new Date();
let hoursDiff = x.getHours() - x.getTimezoneOffset() / 60;
let minutesDiff = (x.getHours() - x.getTimezoneOffset()) % 60;
x.setHours(hoursDiff);
x.setMinutes(minutesD...
gulp globbing- how to watch everything below directory
...es under all directories is usually ./src/less/**/*.* or ./src/less/**/*, either should work.
Generally speaking, it's better to match specific files extensions — even if they should all be the same — to prevent grabbing system files or other junk. In that case, you can do ./src/less/**/*.less...
Python None comparison: should I use “is” or ==?
My editor warns me when I compare my_var == None , but no warning when I use my_var is None .
3 Answers
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Is it possible to prevent an NSURLRequest from caching data or remove cached data following a reques
...Object allocation spikes and I assign the data accordingly. When I finish with the data, I free it up accordingly - however instruments doesn't show any data to have been freed!
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Handling JSON Post Request in Go
... use json.Decoder instead of json.Unmarshal.
func test(rw http.ResponseWriter, req *http.Request) {
decoder := json.NewDecoder(req.Body)
var t test_struct
err := decoder.Decode(&t)
if err != nil {
panic(err)
}
log.Println(t.Test)
}
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Add a UIView above all, even the navigation bar
...follow
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edited Mar 22 '19 at 8:37
raed
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How can I clear previous output in Terminal in Mac OS X?
I know the clear command that 'clears' the current screen, but it does this just by printing lots of newlines - the cleared contents just get scrolled up.
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