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What's the difference between findAndModify and update in MongoDB?
... then fetch it, there may be another update in-between and you will get back a different item than what you updated.
Doing it "atomically" means you are guaranteed that you are getting back the exact same item you are updating - i.e. no other operation can happen in between.
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How to create war files
...ices of creating war files (using eclipse) to run on tomcat? tutorials, links, examples are highly appreciated.
13 Answers...
Does every Javascript function have to return a value?
I'm using Netbeans to add professional-like comments to each function, I write. So I begin each of it with /** and then I press Enter to let Netbeans fulfill default comment scheme for following function.
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Update data in ListFragment as part of ViewPager
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This look OK but it does not work in my class. Does it work with you? I still get null for fragment.
– sandalone
Dec 15 '12 at 15:00
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Standard Android menu icons, for example refresh [closed]
The Android SDK offers the standard menu icons via android.R.drawable.X . However, some standard icons, such as ic_menu_refresh (the refresh icon), are missing from android.R .
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How are “mvn clean package” and “mvn clean install” different?
What exactly are the differences between mvn clean package and mvn clean install ? When I run both of these commands, they both seem to do the same thing.
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Does Redis persist data?
... so that when the server reboots it reads into memory all the data from disk. Or is it always a blank store which is only to store data while apps are running with no persistence?
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Best way to assert for numpy.array equality?
I want to make some unit-tests for my app, and I need to compare two arrays. Since array.__eq__ returns a new array (so TestCase.assertEqual fails), what is the best way to assert for equality?
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How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”
...e __STDC_FORMAT_MACROS
#include <inttypes.h>
... now PRIu64 will work
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TypeError: 'undefined' is not a function (evaluating '$(document)')
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El YoboEl Yobo
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