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Can I change multiplier property for NSLayoutConstraint?
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The multiplier property is read only. You have to remove the old NSLayoutConstraint and replace it with a new one to modify it.
However, since you know you want to change the multiplier, you can just change the constant by multiplying it yourself whe...
Count rows with not empty value
In a Google Spreadsheet: How can I count the rows of a given area that have a value? All hints about this I found up to now lead to formulas that do count the rows which have a not empty content (including formula), but a cell with
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Distinct() with lambda?
... I knew the best answer would be posted by Jon Skeet simply by reading the title of the post. If its got anything to do with LINQ, Skeet's your man. Read 'C# In Depth' to attain God-like linq knowledge.
– nocarrier
Jan 16 '14 at 3:03
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What are best practices for validating email addresses on iOS 2.0
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Read the RFC. Almost everyone that thinks they know how to parse/clean/validate an email address is wrong.
http://tools.ietf.org/html/rfc2822
Section 3.4.1 is very useful. Notice
dtext = NO-WS-CTL / ...
How to round a number to significant figures in Python
...identical to his (I just noticed the erroneous output and didn't bother to read the code, my mistake). Probably a short comment beneath his answer would have been enough instead of a new answer... The only (key) difference is the double use of the :g formatter which preserve integers.
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How to upgrade Git to latest version on macOS?
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It's simple if you already have Homebrew:
Assuming you have homebrew installed, type the following:
brew install git
This should automatically install git and set it in your path, replacing the Apple one. Quit and restart terminal. Check git ver...
Python equivalent for PHP's implode?
Is there an equivalent for PHP's implode in Python? I've read in and split up a set of delimited words, and now I want to sort them out in random orders and print the words out with spaces in between.
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Cross-thread operation not valid: Control accessed from a thread other than the thread it was create
... a control. I don't want to change the value of a control from the child thread. I'm not going to do it ever from a child thread.
So only accessing the value so that corresponding data can be fetched from the database.
The solution you want then should look like:
UserContrl1_LOadDataMethod()
{
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How do I add a Fragment to an Activity with a programmatically created content view
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Here is what I came up with after reading Tony Wong's comment:
public class DebugExampleTwo extends BaseActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addFragment(android...
What exactly are late static bindings in PHP?
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You definitely need to read Late Static Bindings in the PHP manual. However, I'll try to give you a quick summary.
Basically, it boils down to the fact that the self keyword does not follow the same rules of inheritance. self always resolves to ...