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How to select a single field for all documents in a MongoDB collection?
... not using mongo's shell).
Please refer to documentation link for detailed info.
Nodejs, for instance, have a method called `projection that you would append to your find function in order to project.
Following the same example set, commands like the following can be used with Node:
db.student.fi...
Rails server says port already used, how to kill that process?
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Adding a -v flag also shows a small amount of info about what process got killed. So fuser -kv 3000/tcp. Alas that MacOS's fuser doesn't have this ability. kill $(lsof -ti tcp:3000) is a fairly close equivalent, though.
– lindes
D...
event.preventDefault() function not working in IE
... also get the original browser event object from event.originalEvent. More Info: stackoverflow.com/a/16675056/22550
– sv_in
Dec 29 '13 at 14:11
add a comment
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How to tell Jackson to ignore a field during serialization if its value is null?
...s a side note, Jackson 1.9.12 is standard in WebSphere 8.5, hopefully this info will save someone else a lot of time it took me to figure this out :-)
– bakoyaro
Feb 28 '18 at 17:34
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In Flux architecture, how do you manage Store lifecycle?
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What if I have a profile page where I show info about an user but also a list of his friends. Both user and friends would be the same type of that. Should they stay in the same store if so?
– Nick Dima
Mar 3 '15 at 18:31
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'transform3d' not working with position: fixed children
... Thanks, I hadn't noticed that the actual specification had that info..... I guess I got the equivalent to the mathematical answer: "by definition" :)
– Juan Carlos Moreno
Mar 16 '13 at 6:41
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Set Focus on EditText
...ager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
}
EDIT: Adding extra info to the answer after the checkLiganame method was added.
In the checkLiganame method you check if the cursor is null. The cursor will always return an object, so the check for null doesn't do anything. However the proble...
What's the difference between window.location and document.location in JavaScript?
...e answers by Phil Hamer and Christoph below, they add essential background info and caveats to fully understand the issue.
– Jon z
Oct 31 '14 at 19:12
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Automatically enter SSH password with script
...mentioned in the other answer. this allows you to separate authentication info from your script so you can share your script with others worry-free, and later decide to enable encryption on your ~/.ssh folder without also encrypting your script.
– Alexander Taylor
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Cannot use a CONTAINS or FREETEXT predicate on table or indexed view because it is not full-text ind
...ext search catalog for you if you don't have any yet.
You can find more info at MSDN
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