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Why does Java have transient fields?
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The transient keyword in Java is used to indicate that a field should not be part of the serialization (which means saved, like to a file) process.
From the Java Language Specification, Java SE 7 Edition, Section 8.3.1.3. transient Field...
Benefit of using Parcelable instead of serializing object
... edited Apr 8 '11 at 14:48
rocky3000
1,12488 silver badges99 bronze badges
answered Apr 5 '11 at 11:35
rajat...
How do I remove a big file wrongly committed in git [duplicate]
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You can do it using the git filter-branch command, like this :
git filter-branch --index-filter "git rm -rf --cached --ignore-unmatch path_to_file" HEAD
You can find more documentation here http://dalibornasevic.com/posts/2-permanently-remove-files-and-folders-from-a-git-repos...
What's the difference between the build and create methods in FactoryGirl?
...reate() method persists the instance of the model while the build() method keeps it only on memory.
Personally, I use the create() method only when persistence is really necessary since writing to DB makes testing time consuming.
e.g.
I create users to authentication with create() because my aut...
How to set host_key_checking=false in ansible inventory file?
I would like to use ansible-playbook command instead of ' vagrant provision '. However setting host_key_checking=false in the hosts file does not seem to work.
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What's the difference between emulation and simulation? [duplicate]
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(Using as an example your first link)
You want to duplicate the behavior of an old HP calculator, there are two options:
You write new program that draws the calculator's display and keys, and when the user clicks on the keys, your programs does what the ol...
How to round the minute of a datetime object
... the 'floor' of a datetime object stored in tm rounded to the 10 minute mark before tm.
tm = tm - datetime.timedelta(minutes=tm.minute % 10,
seconds=tm.second,
microseconds=tm.microsecond)
If you want classic rounding to the nearest 10 min...
List Git aliases
...append | sort just before the closing double-quote. Alternatively, you can keep the aliases in ~/.gitconfig sorted.
To add the alias as a system-wide alias, replace --global (for current user) with --system (for all users). This typically goes in the /etc/gitconfig file.
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C# declare empty string array
...May 30 '13 at 10:59
Atish Dipongkor - MVPAtish Dipongkor - MVP
8,93088 gold badges4444 silver badges7474 bronze badges
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What's “tools:context” in Android layout files?
...efault. This enables features in the editor or layout preview that require knowledge of the activity, such as what the layout theme should be in the preview and where to insert onClick handlers when you make those from a quickfix
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