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Find size of Git repository
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UPDATE git 1.8.3 introduced a more efficient way to get a rough size: git count-objects -vH (see answer by @VonC)
For different ideas of "complete size" you could use:
git bundle create tmp.bundle --all
du -sh tmp.bundle
Close (but not exact:)
git g...
What is the difference between self-types and trait subclasses?
...ts are satisfied. A User and an implementation of User are provided.
For more practical use cases, please see the links at the start of this answer! But, hopefully now you get it.
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improv...
How to Update Multiple Array Elements in mongodb
...t and save approach. But I used Couch before Mongo so that approach seems more natural since there is no query API for Couch, just a REST api for whole documents
– adam
Dec 15 '11 at 19:50
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How to view file diff in git before commit
...ke to revert some changes):
git difftool myfile.txt
To use git difftool more efficiently, install and use your favourite GUI tool such as Meld, DiffMerge or OpenDiff.
Note: You can also use . (instead of filename) to see current dir changes.
In order to check changes per each line, use: git bla...
What is the difference between the template method and the strategy patterns?
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What is this crazy C++11 syntax ==> struct : bar {} foo {};?
...finition
struct foo { foo() { cout << "!"; } } instance; // so much more
// Output: "!"
Let's combine the examples, and recall that we can define a UDT that has no name:
struct { virtual void f() = 0; } instance; // unnamed abstract type
// error: cannot declare variable 'instance' to be o...
Finding all cycles in a directed graph
..., a cycle is elementary if no vertex (apart from the start/finish) appears more than once. By that definition, isn't A->B->C->A elementary too?
– psmears
Dec 1 '14 at 10:27
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How can I iterate over an enum?
... last "real" enum each time you want to add a new enum.
If you want to add more enums later, just add them before Last. The loop in this example will still work.
Of course, this breaks down if the enum values are specified:
enum Foo {
One = 1,
Two = 9,
Three = 4,
Last
};
This illustrate...
Express.js: how to get remote client address
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Avoiding instanceof in Java
...ls". Essentially he's addressing cases like this, when polymorphism causes more trouble than it solves.
The issue is that to use polymorphism you have to make the logic of "handle" part of each 'switching' class - i.e. Integer etc. in this case. Clearly this is not practical. Sometimes it isn't ev...