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Convert interface{} to int
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I am assuming: If you sent the JSON value through browser then any number you sent that will be the type float64 so you cant get the value directly int in golang.
So do the conversion like:
//As that says:
fmt.Fprintf(w, "Type = %v", val) // <--- Type = float64
var iAreaId in...
How do I restrict a float value to only two places after the decimal point in C?
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If you just want to round the number for output purposes, then the "%.2f" format string is indeed the correct answer. However, if you actually want to round the floating point value for further computation, something like the following works:
#include <math.h>
float val = 3...
C# DateTime to “YYYYMMDDHHMMSS” format
... is it just me who thinks it's nuts to have big M's for months then big H's for hours?
– Nick
May 5 '17 at 15:41
72
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log messages appearing twice with Python Logging
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If you are seeing this problem and you're not adding the handler twice then see abarnert's answer here
From the docs:
Note: If you attach a handler to a logger and one or more of its
ancestors, it may emit the same record multiple times. In general, you
should not need to attach a handler to mo...
How do I bottom-align grid elements in bootstrap fluid layout
...0 on the row (otherwise you'll end up with a pesky space between columns), then remove the column floats, set display to inline-block, re-set their font-size, and then vertical-align can be set to anything you need.
No jQuery required.
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Debug.Assert vs Exception Throwing
...a given throw statement. If it is not possible to produce such a test case then you have a code path in your program which never executes, and it should be removed as dead code.
It should NEVER be possible to produce a test case which causes an assertion to fire. If an assertion fires, either the co...
How do I Sort a Multidimensional Array in PHP [duplicate]
...ditional parameters to make_comparer. For example, to sort by "number" and then by the zero-indexed column:
usort($data, make_comparer('number', 0));
See it in action.
Advanced features
More advanced features are available if you specify a sort column as an array instead of a simple string. Thi...
What package naming convention do you use for personal/hobby projects in Java?
...f you're just doing personal projects where nobody else will use the code, then you can make up a package name that you like. Don't make up something that starts with com. or net. or other top-level domain though, because that would imply that you own the domain name (ie. using com.john as your pack...
Image, saved to sdcard, doesn't appear in Android's Gallery app
...y new image (and other) files. If you are programmatically adding a file, then you can use this class:
http://developer.android.com/reference/android/media/MediaScannerConnection.html
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Pro JavaScript programmer interview questions (with answers) [closed]
...m() function that accepts any number of arguments, and returns their sum. Then, ask them to use that function (without modification) to sum all the values in an array. They should write a function that looks like this:
function sum() {
var i, l, result = 0;
for (i = 0, l = arguments.length; i...