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How to do date/time comparison
... time.LoadLocation("UTC")
// setup a start and end time
createdAt := time.Now().In(loc).Add(1 * time.Hour)
expiresAt := time.Now().In(loc).Add(4 * time.Hour)
// get the diff
diff := expiresAt.Sub(createdAt)
fmt.Printf("Lifespan is %+v", diff)
The program outputs:
Lifespan is 3h0m0s
http://pla...
Automatic vertical scroll bar in WPF TextBlock?
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can use the following now:
<TextBox Name="myTextBox"
ScrollViewer.HorizontalScrollBarVisibility="Auto"
ScrollViewer.VerticalScrollBarVisibility="Auto"
ScrollViewer.CanContentScroll="True">SOME TEXT
</TextBox&g...
How to set Oracle's Java as the default Java in Ubuntu?
...e a directory somewhere you like in your file system for example /usr/java now extract the files you just downloaded in that directory:
$ sudo tar xvzf jdk-8u5-linux-i586.tar.gz -C /usr/java
now to set your JAVA_HOME environment variable:
$ JAVA_HOME=/usr/java/jdk1.8.0_05/
$ sudo update-alternat...
Download the Android SDK components for offline install
.../temp (ex:- c:\android-sdk\temp) folder/directory in your offline machine.
Now start the SDK manager and select the package which you have paste in temp and click Install package button. Your package has been installed.
Restart your eclipse and AVD manager to get new packages.
Note:- if you are do...
How can I use threading in Python?
...nction are provided by two libraries:multiprocessing, and also its little known, but equally fantastic step child:multiprocessing.dummy.
multiprocessing.dummy is exactly the same as multiprocessing module, but uses threads instead (an important distinction - use multiple processes for CPU-intensive...
Understanding the main method of python [duplicate]
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If you import the module (.py) file you are creating now from another python script it will not execute the code within
if __name__ == '__main__':
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If you run the script directly from the console, it will be executed.
Python does not use or require a main() function...
ADB No Devices Found
..., and Google USB Driver. I have checked the setting on my Nexus 10 for "Unknown Sources".
42 Answers
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Serializing class instance to JSON
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The basic problem is that the JSON encoder json.dumps() only knows how to serialize a limited set of object types by default, all built-in types. List here: https://docs.python.org/3.3/library/json.html#encoders-and-decoders
One good solution would be to make your class inherit from J...
Should I implement __ne__ in terms of __eq__ in Python?
...e other side, not self == other is (assuming the operand's __eq__ doesn't know how to compare the other operand) implicitly delegating to __eq__ from the other side, then inverting it. For weird types, e.g. the SQLAlchemy ORM's fields, this causes problems.
– ShadowRanger
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Pass ruby script file to rails console
... Thanks a lot that does a job! I am using Sublime Text 2 so now I will be able to trigger builds of rails classes and see output directly in IDE :)
– Haris Krajina
Apr 25 '12 at 15:04
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