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C# Double - ToString() formatting with two decimal places but no rounding
...094.7563) / 100;
- 5094 / 100
- 50.94
And there's your answer truncated, now to format the string simply do the following:
string s = string.Format("{0:N2}%", x); // No fear of rounding and takes the default number format
...
How to use the “number_to_currency” helper method in the model rather than view?
... a new class for generating your output instead of making your data model know what a CSV is (because it shouldn’t).
As for using helpers for ActiveModel validation errors in the model, well, I’m sorry but ActiveModel/Rails has screwed us all there by forcing error messages to be realized in th...
Concept of void pointer in C programming
...e a void* in two ways. Casting to char* is always acceptable, and if you know the original type it points to you can cast to that type. The void* has lost the type info so it'd have to be stored elsewhere.
– Dan Olson
Mar 29 '09 at 10:30
...
Where do the Python unit tests go?
...asey - but I do have an init.py file in all relevant directories. I don't know what I do wrong, but I have this problem on all my Python projects and I can't understand why nobody else does. Oh deary.
– Jonathan Hartley
Jul 22 '09 at 8:23
...
moving committed (but not pushed) changes to a new branch after pull
... (the current branch) without switching the current branch to new-work. So now new-work contains all the new commits. Then the reset moves the current branch (still master) back to origin/master.
– Mark Longair
Jan 21 '15 at 22:01
...
Can multiple different HTML elements have the same ID if they're different elements?
...s. Everyone seems to cite how would selectors work, well if your going in knowing you'll have conflicting IDs, you use your selectors with a parent, where the IDs under the parent would be unique. eg $('div#car span#size) and $('div#truck span#size').
– BJury
J...
How to install packages offline?
...env2.
python -m virtualenv myenv2
cd myenv2
source bin/activate
cd -
ls
now you can go to your offline folder where your requirements.txt and tranferred_packages folder are in there. download the packages with following code and put all of them to tranferred_packages folder.
pip download -r requ...
How do I set up IntelliJ IDEA for Android applications?
... C:\Program Files\Android\android-sdk-windows.
Choose the android version.
Now you can write your program.
Compiling:
Near the Run button you need to select the drop-down-list, choose Edit Configurations
In the Prefer Android Virtual device select the ... button
Click on create, give it a name...
How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?
...ke(0, 0, width, height), imageRef);
CGContextRelease(context);
// Now your rawData contains the image data in the RGBA8888 pixel format.
NSUInteger byteIndex = (bytesPerRow * y) + x * bytesPerPixel;
for (int i = 0 ; i < count ; ++i)
{
CGFloat alpha = ((CGFloat) rawDat...
Is it possible to style a select box? [closed]
...electbox/0.5) for it looks fine. Look around for other implementations. I know I've seen several other plugins that do this.
– Mark A. Nicolosi
Jul 2 '09 at 4:51
1
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