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How to add an Access-Control-Allow-Origin header
...ame" https://auth.api.rackspacecloud.com/v1.0
From the results returned, extract the values for X-Auth-Token and X-Storage-Url
curl -X POST \
-H "Content-Type: font/woff" \
--header "X-Auth-Token: returned-x-auth-token" returned-x-storage-url/name-of-your-container/fonts/fontawesome-webfont.w...
Validate that a string is a positive integer
I would like the simplest fail-safe test to check that a string in JavaScript is a positive integer.
13 Answers
...
Subtract two variables in Bash
...
You just need a little extra whitespace around the minus sign, and backticks:
COUNT=`expr $FIRSTV - $SECONDV`
Be aware of the exit status:
The exit status is 0 if EXPRESSION is neither null nor 0, 1 if EXPRESSION is null or 0.
Keep this in min...
How to remove empty cells in UITableView? [duplicate]
...
But it adds extra spacing above and below table sections.
– Ben Sinclair
Jan 30 '18 at 21:29
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How to override toString() properly in Java?
Sounds a little stupid, but I need help on my toString() method and it is very irking.
I tried looking up online because the toString is the one where it is screwing up and "not finding Kid constructor #2" even though it is there and I would even do something else and it doesn't work.
Ok that w...
Why are functions in Ocaml/F# not recursive by default?
... function or value of the same name; although I think this is bad practice
Extra safety? Makes sure that you are doing what you intended. e.g. If you don't intend it to be recursive but you accidentally used a name inside the function with the same name as the function itself, it will most likely co...
How to print struct variables in console?
...nique:
type Response2 struct {
Page int `json:"page"`
Fruits []string `json:"fruits"`
}
res2D := &Response2{
Page: 1,
Fruits: []string{"apple", "peach", "pear"}}
res2B, _ := json.Marshal(res2D)
fmt.Println(string(res2B))
That would print:
{"page":1,"fruits":["apple","pe...
Is it possible to update a localized storyboard's strings?
...lized a part of my application with creating a base.lproj storyboard and 3 string files for it. It was a month ago and after that I added new view controller to app, but this controller's buttons and labels not appear in string files
...
How to avoid Python/Pandas creating an index in a saved csv?
...er way do to this is specify pd.read_csv(..., index_col=[0], and avoid the extra "drop" call.
– cs95
May 28 '19 at 4:19
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How can I propagate exceptions between threads?
... {
teptr = std::current_exception();
}
}
int main(int argc, char **argv)
{
std::thread mythread(f);
mythread.join();
if (teptr) {
try{
std::rethrow_exception(teptr);
}
catch(const std::exception &ex)
{
std::cerr ...