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What's the difference between using CGFloat and float?
...GFloat all over the place, but I wonder if I get a senseless "performance hit" with this. CGFloat seems to be something "heavier" than float, right? At which points should I use CGFloat, and what makes really the difference?
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Xcode iOS 8 Keyboard types not supported
I have a UITextField Ctrl-dragged as an @Outlet in my .swift class.
Now in viewDidLoad i'm using this code
10 Answe...
angularjs: ng-src equivalent for background-image:url(…)
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ngSrc is a native directive, so it seems you want a similar directive that modifies your div's background-image style.
You could write your own directive that does exactly what you want. For example
app.directive('backImg', function(){
return functi...
What is the difference between SqlCommand.CommandTimeout and SqlConnection.ConnectionTimeout?
... long a single command can take to complete. ConnectionTimeout is how long it can take to establish a connection to the server to start with.
For instance, you may be executing relatively long-running queries - it's perfectly okay for them to take 10 minutes to complete, but if it took 10 minutes t...
How to iterate over rows in a DataFrame in Pandas
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DataFrame.iterrows is a generator which yields both the index and row (as a Series):
import pandas as pd
import numpy as np
df = pd.DataFrame({'c1': [10, 11, 12], 'c2': [100, 110, 120]})
for index, row in df.iterrows():
print(row...
Can I use a binary literal in C or C++?
I need to work with a binary number.
19 Answers
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PowerShell: Store Entire Text File Contents in Variable
...ackish to include trailing empty line:
[io.file]::ReadAllText(".\desktop\git-python\test.ps1").split("`n").count
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“Pretty” Continuous Integration for Python
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You might want to check out Nose and the Xunit output plugin. You can have it run your unit tests, and coverage checks with this command:
nosetests --with-xunit --enable-cover
That'll be helpful if you want to go the Jenkins route, or if you want to use another CI ...
Return multiple values in JavaScript?
...ar values = getValues();
var first = values[0];
var second = values[1];
With the latest ECMAScript 6 syntax*, you can also destructure the return value more intuitively:
const [first, second] = getValues();
If you want to put "labels" on each of the returned values (easier to maintain), you can...
How to find server name of SQL Server Management Studio
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Open up SQL Server Configuration Manager (search for it in the Start menu). Click on SQL Server Services. The instance name of SQL Server is in parenthesis inline with SQL Server service. If it says MSSQLSERVER, then it's the default instance. To connect to it in Management St...