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What is the difference between packaged_task and async
...rono::seconds(1));
return 1;
};
Packaged task
A packaged_task won't start on it's own, you have to invoke it:
std::packaged_task<int()> task(sleep);
auto f = task.get_future();
task(); // invoke the function
// You have to wait until task returns. Since task calls sleep
// you will h...
How can I add a string to the end of each line in Vim?
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I wanted to add / to the start of each line :1,$s/^/\/g worked for me.
– farooqsadiq
Dec 17 '13 at 17:51
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How can I check whether Google Maps is fully loaded?
... Terrible comment, its wrong on so many levels dont know where to start.
– nights
Oct 24 '17 at 11:18
1
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How to get english language word database? [closed]
... I have not personally downloaded it, but it was there ready when I started coding. So I don't know what files will be there in which download. I just know that you can download in different formats. If you can tell me in which format you want, I may be able to help.
– u...
makefile:4: *** missing separator. Stop
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## in this case you need to open the file again and edit/ensure a tab
## starts the action part
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Should I always use a parallel stream when possible?
... i have a collection of objects that implement Runnable that I call start() to use them as Threads, is it ok to change that to using java 8 streams in a .forEach() parallelized ? Then i'd be able to strip the thread code out of the class. But are there any downsides?
– y...
Git add all files modified, deleted, and untracked?
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Try:
git add -A
Warning: Starting with git 2.0 (mid 2013), this will always stage files on the whole working tree.
If you want to stage files under the current path of your working tree, you need to use:
git add -A .
Also see: Difference of git ad...
Check if a string contains an element from a list (of strings)
...o fragments and add an order of complexity.
update: if you really mean "StartsWith", then you could sort the list and place it into an array ; then use Array.BinarySearch to find each item - check by lookup to see if it is a full or partial match.
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how to get the last character of a string?
... the String.prototype.slice method.
Just by:
str.slice(-1);
A negative start index slices the string from length+index, to length, being index -1, the last character is extracted:
"abc".slice(-1); // "c";
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Proper MIME media type for PDF files
...t One: Format of Internet Message Bodies.
Private [subtype] values (starting with "X-") may be defined
bilaterally between two cooperating agents without
outside registration or standardization. Such values
cannot be registered or standardized.
New standard values should be registered...