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Combining C++ and C - how does #ifdef __cplusplus work?
... is described as a linkage issue but that is not quite true - you will get errors from both the compiler and the linker.
The compiler errors will be if you try to use C++ features of prototype declaration such as overloading.
The linker errors will occur later because your function will appear to...
Can lambda functions be templated?
...stand how the example motivates anything; you could simply forbid it as an error, and require the lambda be monomorphic [](T x) {} or a constrained template []template<Constraint T>(T x) {}, which can be statically verified to match. Is there some reason why this wasn't possible?
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Show hide fragment in android
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It is error prone because you can change your flags at low level api and high level api and if you aren't careful (i.e flags get out of sync) you could be chasing weird bugs. Thats is why its recommended to use the fragment manager...
How to clear the cache in NetBeans
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Based on the nightmare errors I have solved by cleaning this cache, I'd say a big red "Clear Cache" button is required, along with the tooltip "In case all else fails".
– Atorian
Aug 17 '14 at 11:56
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Convert HH:MM:SS string to seconds only in javascript
...clean code. Use parseInt(x, 10) instead. And avoid one-liner. Also prevent errors by undefined input. For example: it's not a string, has no ":" or only "HH:MM". etc.
– Dominik
Sep 26 '17 at 14:09
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Iterate all files in a directory using a 'for' loop
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the 'subdirs in current dir' is not working. I get an error: s was unexpected at this time
– InTheNameOfScience
Feb 26 '16 at 8:25
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Converting java.util.Properties to HashMap
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If some key or value is not a String it will produce a ClassCastException error. With current Properties implementation this is very unlikely to happen, as long as you don't use the mutable call methods from the super Hashtable<Object,Object> of Properties.
So, if don't do nasty things with ...
Difference between := and = operators in Go
...n't use them twice (in the same scope):
legal := 42
legal := 42 // <-- error
Because, := introduces "a new variable", hence using it twice does not redeclare a second variable, so it's illegal.
★ 3rd Rule:
You can use them for multi-variable declarations and assignments:
foo, bar := 4...
How to zero pad a sequence of integers in bash so that all have the same width?
...mat the numbers as it outputs the list. For example:
for i in $(seq -f "%05g" 10 15)
do
echo $i
done
will produce the following output:
00010
00011
00012
00013
00014
00015
More generally, bash has printf as a built-in so you can pad output with zeroes as follows:
$ i=99
$ printf "%05d\n" $...
JS Client-Side Exif Orientation: Rotate and Mirror JPEG Images
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window.loadImage("/your-image.jpg", function (img) {
if (img.type === "error") {
console.log("couldn't load image:", img);
} else {
window.EXIF.getData(img, function () {
var orientation = EXIF.getTag(this, "Orientation");
var canvas = window.loadImage.scale(img, {orien...
