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printf with std::string?
...mething else in place of what it expects definitely won't give you the results you want. It's actually undefined behaviour, so anything at all could happen.
The easiest way to fix this, since you're using C++, is printing it normally with std::cout, since std::string supports that through operator ...
How to Disable landscape mode in Android?
...tion="portrait" to the activity in the AndroidManifest.xml. For example:
<activity android:name=".SomeActivity"
android:label="@string/app_name"
android:screenOrientation="portrait" />
EDIT: Since this has become a super-popular answer, I feel very guilty as forcing portrait is rare...
Apply a function to every row of a matrix or a data frame
...
You simply use the apply() function:
R> M <- matrix(1:6, nrow=3, byrow=TRUE)
R> M
[,1] [,2]
[1,] 1 2
[2,] 3 4
[3,] 5 6
R> apply(M, 1, function(x) 2*x[1]+x[2])
[1] 4 10 16
R>
This takes a matrix and applies a (silly) function to e...
Disable Browser Link - which toolbar
...ld explain how to turn off browser link. You could do it via web.config:
<appSettings>
<add key="vs:EnableBrowserLink" value="false"></add>
</appSettings>
or do it from the toolbar:
If that button isn't available, go to VIEW > Toolbars > Standard and make sure...
Two-dimensional array in Swift
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From the docs:
You can create multidimensional arrays by nesting pairs of square brackets, where the name of the base type of the elements is contained in the innermost pair of square brackets. For example, you can create a three-dimensional array of intege...
How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
... instead read values from the environment.
production:
secret_key_base: <%= ENV["SECRET_KEY_BASE"] %>
This means that Rails recommends you to use an environment variable for the secret_key_base in your production server. In order to solve this error you should follow these steps to create ...
Add line break to 'git commit -m' from the command line
...til you close the quote. Like this:
git commit -m 'Message
goes
here'
Alternatively, you can use a "here document" (also known as heredoc):
git commit -F- <<EOF
Message
goes
here
EOF
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Looping through array and removing items, without breaking for loop
... {
Auction.auctions[i].seconds--;
if (Auction.auctions[i].seconds < 0) {
Auction.auctions.splice(i, 1);
}
}
It doesn't matter if you're popping them off of the end because the indices will be preserved as you go backwards.
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C# declare empty string array
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Other option is c# Array.Empty<string>()
– Jannick Breunis
Feb 19 at 17:22
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Union of dict objects in Python [duplicate]
...dict objects in Python, where a (key, value) pair is present in the result iff key is in either dict (unless there are duplicates)?
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