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Bitwise operation and usage
...its input is 0, otherwise it's 0.
These can often be best shown as truth tables. Input possibilities are on the top and left, the resultant bit is one of the four (two in the case of NOT since it only has one input) values shown at the intersection of the inputs.
AND | 0 1 OR | 0 1 XOR |...
What are the differences between a HashMap and a Hashtable in Java?
What are the differences between a HashMap and a Hashtable in Java?
35 Answers
35
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How do I run a Ruby file in a Rails environment?
...
If you make the script executable by running chmod +x script.rb, you can add #!/usr/bin/env rails runner to the top of the script, and then simply run it with ./script.rb.
– stwr667
Sep 16 at 6:30
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Android: How to stretch an image to the screen width while maintaining aspect ratio?
...ing how simply, in Android, you can do "totally dynamic cell heights" in a table view .. err, I mean ListView. Enjoy.
<com.parse.ParseImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/post_image"
android:src="@drawable/icon_192"
...
Are there conventions on how to name resources?
...nge in time. So its completely normal that naming conventions that were suitable in the beginning will not be suitable after 2 years. And it's completely fine. You should not try to predict future. Just choose a convention and follow it. You will find if it is suitable for you and your project. If i...
Why does multiprocessing use only a single core after I import numpy?
... the answer here.
It turns out that certain Python modules (numpy, scipy, tables, pandas, skimage...) mess with core affinity on import. As far as I can tell, this problem seems to be specifically caused by them linking against multithreaded OpenBLAS libraries.
A workaround is to reset the task af...
Perform Segue programmatically and pass parameters to the destination view
...t you are asking. In this case I am passing data from a selected cell in a table view to another view controller.
in the .h file of the trget view:
@property(weak, nonatomic) NSObject* dataModel;
in the .m file:
@synthesize dataModel;
dataModel can be string, int, or like in this case it's...
How do you implement a class in C? [closed]
...u implement a class, by "inheriting" the base class, and implementing a suitable function:
typedef struct {
ShapeClass shape;
float width, height;
} RectangleClass;
static float rectangle_computeArea(const ShapeClass *shape)
{
const RectangleClass *rect = (const RectangleClass *) shape;
re...
Should sorting logic be placed in the model, the view, or the controller? [closed]
I have a drop down list that displays values from a table to the end user. I would like to have these values be sorted alphabetically.
...
Convert HTML + CSS to PDF [closed]
...pulling the solution seems to be HTML2PDF. DOMPDF did a terrible job with tables, borders and even moderately complex layout and htmldoc seems reasonably robust but is almost completely CSS-ignorant and I don't want to go back to doing HTML layout without CSS just for that program.
HTML2PDF looked...