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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 advantage to using bloom filters?
I am reading up on bloom filters and they just seem silly. Anything you can accomplish with a bloom filter, you could accomplish in less space, more efficiently, using a single hash function rather than multiple, or that's what it seems. Why would you use a bloom filter and how is it useful?
...
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.
...
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
...
Recommended way of making React component/div draggable
...reenshots, circumventing browser quirks.
If these sound familiar to you, read on.
Usage
Simple Drag Source
First, declare types of data that can be dragged.
These are used to check “compatibility” of drag sources and drop targets:
// ItemTypes.js
module.exports = {
BLOCK: 'block',
IMA...
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);
...