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What is the difference between pull and clone in git?
...ing branches, not just master. Check out the man page:
Clones a repository into a newly created directory, creates remote-tracking branches for each branch in the cloned repository (visible using git branch -r), and creates and checks out an initial branch that is forked from the cloned reposito...
How do I use sudo to redirect output to a location I don't have permission to write to?
... find myself quite often needing to redirect output to a location I don't normally have write access to.
15 Answers
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How to remove array element in mongodb?
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Thank you. It works nice. I tried with { $pull: { 'contact.phone.$': { 'contact.phone.$.number': '+1786543589455' } } } and { $pull: { 'contact.phone': { 'contact.phone.$.number': '+1786543589455' } } } without a success. Doesn't understan...
Version of Apache installed on a Debian machine
....7
Compiled using: APR 1.2.7, APR-Util 1.2.7
... etc ...
If it does not work for you, run the command with sudo.
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Java Garbage Collection Log messages
I have configured java to dump garbage collection information into the logs ( verbose GC ). I am unsure of what the garbage collection entries in the logs mean. A sample of these entries are posted below. I've searched around on Google and have not found solid explanations.
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HTTP 1.0 vs 1.1
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Proxy support and the Host field:
HTTP 1.1 has a required Host header by spec.
HTTP 1.0 does not officially require a Host header, but it doesn't hurt to add one, and many applications (proxies) expect to see the Host header regardle...
Checking in packages from NuGet into version control?
Prior to NuGet, it was common accepted 'best practice' to check-in all external DLLs used on a project. Typically in a Libs or 3rdParty directory.
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What is the EAFP principle in Python?
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From the glossary:
Easier to ask for forgiveness than permission. This common Python coding style assumes the existence of valid keys or attributes and catches exceptions if the assumption proves false. This clean and fast style is characterized by the presen...
In git how is fetch different than pull and how is merge different than rebase?
...ch will download any changes from the remote* branch, updating your repository data, but leaving your local* branch unchanged.
pull will perform a fetch and additionally merge the changes into your local branch.
What's the difference? pull updates you local branch with changes from the pulled bran...
Declaring array of objects
...mple = new Array();
sample.push(new Object());
To do this n times use a for loop.
var n = 100;
var sample = new Array();
for (var i = 0; i < n; i++)
sample.push(new Object());
Note that you can also substitute new Array() with [] and new Object() with {} so it becomes:
var n = 100;
va...