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How to hide first section header in UITableView (grouped style)
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I have a workaround that seems reasonably clean to me. So I'm answering my own question.
Since 0 as the first section header's height doesn't work, I return 1. Then I use the contentInset to hide that height underneath the navigation bar.
Objective-C:
- (CGFloat) tableView...
Why does C++11's lambda require “mutable” keyword for capture-by-value, by default?
...equires mutable because by default, a function object should produce the same result every time it's called. This is the difference between an object orientated function and a function using a global variable, effectively.
s...
What is the difference between i++ and ++i?
I've seen them both being used in numerous pieces of C# code, and I'd like to know when to use i++ or ++i ( i being a number variable like int , float , double , etc). Anyone who knows this?
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How do I rotate the Android emulator display? [duplicate]
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@Omar : According to the comment of the tutorial androidandme.com/2009/10/news/… , you can rotate on Mac with Shift + F12
– ccheneson
Mar 2 '12 at 12:47
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Is it acceptable and safe to run pip install under sudo?
I've started to use my Mac to install Python packages in the same way I do with my Windows PC at work; however on my Mac I've come across frequent permission denied errors while writing to log files or site-packages.
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Python AttributeError: 'module' object has no attribute 'Serial' [duplicate]
...serial port with Python 2.6 on my Raspberry Pi running Debian.
My script named serial.py tries to import pySerial:
8 Answ...
Can you help me understand Moq Callback?
... a doc bug...
EDIT: In response to your clarification...
For each mocked method Setup you perform, you get to indicate things like:
constraints on inputs
the value for / way in which the return value (if there is one) is to be derived
The .Callback mechanism says "I can't describe it right now...
node and Error: EMFILE, too many open files
For some days I have searched for a working solution to an error
17 Answers
17
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It is more efficient to use if-return-return or if-else-return?
Suppose I have an if statement with a return . From the efficiency perspective, should I use
8 Answers
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converting a base 64 string to an image and saving it
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Here is an example, you can modify the method to accept a string parameter. Then just save the image object with image.Save(...).
public Image LoadImage()
{
//data:image/gif;base64,
//this image is a single pixel (black)
byte[] bytes = Convert.FromBa...