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How update the _id of one MongoDB Document?
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You cannot update it. You'll have to save the document using a new _id, and then remove the old document.
// store the document in a variable
doc = db.clients.findOne({_id: ObjectId("4cc45467c55f4d2d2a000002")})
// set a new _id on the document
doc._id = ObjectId("4c8a331bda76c559ef000004")
//...
Relative paths based on file location instead of current working directory [duplicate]
...o is get the absolute path of the script (available via ${BASH_SOURCE[0]}) and then use this to get the parent directory and cd to it at the beginning of the script.
#!/bin/bash
parent_path=$( cd "$(dirname "${BASH_SOURCE[0]}")" ; pwd -P )
cd "$parent_path"
cat ../some.text
This will make your s...
How to handle multiple heterogeneous inputs with Logstash?
Let's say you have 2 very different types of logs such as technical and business logs and you want:
3 Answers
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C/C++ include header file order
...ed without prerequisites (terminus technicus: header is "self-contained"). And the rest just seems to flow logically from there.
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AngularJs event to call after content is loaded
...want to call after page content is loaded. I read about $viewContentLoaded and it doesn't work for me. I am looking for something like
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Redirect stdout to a file in Python?
... common method is to use shell redirection when executing (same on Windows and Linux):
$ python foo.py > file
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How would I extract a single file (or changes to a file) from a git stash?
...ed as a commit whose tree records the state of the
working directory, and its first parent is the commit at HEAD when the
stash was created.
So you can treat stash (e.g. stash@{0} is first / topmost stash) as a merge commit, and use:
$ git diff stash@{0}^1 stash@{0} -- <filename...
What is a postback?
I'm making my way into web development and have seen the word postback thrown around. Coming from a non-web based background, what does a new web developer have to know about postbacks? (i.e. what are they and when do they arise?)
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What are OLTP and OLAP. What is the difference between them?
... them don't give me an idea, or my knowledge is too insufficient to understand it.
5 Answers
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How to set tint for an image view programmatically in android?
....setColorFilter(ContextCompat.getColor(context, R.color.COLOR_YOUR_COLOR), android.graphics.PorterDuff.Mode.MULTIPLY);
For Vector Drawable
imageView.setColorFilter(ContextCompat.getColor(context, R.color.COLOR_YOUR_COLOR), android.graphics.PorterDuff.Mode.SRC_IN);
UPDATE:
@ADev has newer soluti...