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Is it possible to perform a 'grep search' in all the branches of a Git project?
...ll the branches.
Another form would be:
git rev-list --all | (
while read revision; do
git grep -F 'yourWord' $revision
done
)
You can find even more example in this article:
I tried the above on one project large enough that git complained about the argument size, so if you ...
HTML 5: Is it , , or ?
... Since it's optional, I like more the /> because it is good for the readability.
– BrunoLM
Jul 13 '10 at 12:12
42
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Mongoose's find method with $or condition does not work properly
...gt; { /*logic here*/ })
.catch(error => { /*error logic here*/ })
Read more about Mongoose Queries.
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What is the runtime performance cost of a Docker container?
...a few specific services, such as Redis. You can see that above 20 client threads, highest latency overhead goes Docker NAT, then KVM, then a rough tie between Docker host/native.
Just because it’s a really useful paper, here are some other figures. Please download it for full access.
Taking ...
Why should I declare a virtual destructor for an abstract class in C++?
...-virtual destructor to avoid v-pointer on each object of the class *.
Yes: Read next question.
Is your base class abstract? (i.e. any virtual pure methods?)
No: Try to make your base class abstract by redesigning your class hierarchy
Yes: Read next question.
Do you want to allow polymorphic del...
What is the difference between using IDisposable vs a destructor in C#?
When would I implement IDispose on a class as opposed to a destructor? I read this article , but I'm still missing the point.
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How to have Emacs auto-refresh all buffers when files have changed on disk?
... I have set the variable in .emacs, but when i edit some code xcode, then read the file(already open) at that line, edit in xcode not there, need M-x revert-buffer handly.(mac + emacs 24.3.1)
– ericfang
May 7 '13 at 3:38
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Move an array element from one array position to another
...
this.splice(to, 0, this.splice(from, 1)[0]);
};
which is awesome to read, but if you want performance (in small data sets) try...
Array.prototype.move2 = function(pos1, pos2) {
// local variables
var i, tmp;
// cast input parameters to integers
pos1 = parseInt(pos1, 10);
...
What are '$$' used for in PL/pgSQL
...Insert text with single quotes in PostgreSQL
As to your second question:
Read the most excellent manual on CREATE FUNCTION to understand the last line of your example.
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How to construct a REST API that takes an array of id's for the resources
...fo, I prefer id=id1,id2,id3 because it makes the URI shorter and easier to read (by a human, during a debugging operation for example). Individual parameters for each value would make the URI especially harder to follow if there are other parameters between ids: api.com/users?id=id1&id=id2&j...