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Purpose of returning by const value? [duplicate]
...where you could perform a potentially expensive non-const operation on an object, returning by const-value prevents you from accidentally calling this operation on a temporary. Imagine that + returned a non-const value, and you could write:
(a + b).expensive();
In the age of C++11, however, it is...
About Android image and asset sizes
I need to clarify some doubt about the image assets for my app,
4 Answers
4
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Remove a git commit which has not been pushed
I did a git commit but I have not pushed it to the repository yet.
So when I do git status , I get '# Your branch is ahead of 'master' by 1 commit.
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Show a number to two decimal places
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You can use number_format():
return number_format((float)$number, 2, '.', '');
Example:
$foo = "105";
echo number_format((float)$foo, 2, '.', ''); // Outputs -> 105.00
This function returns a string.
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How to make CSS3 rounded corners hide overflow in Chrome/Opera
...k content from its childen. overflow: hidden works in simple situations, but breaks in webkit based browsers and Opera when the parent is positioned relatively or absolutely.
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Getting hold of the outer class object from the inner class object
I have the following code. I want to get hold of the outer class object using which I created the inner class object inner . How can I do it?
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String.format() to format double in java
How can I use String.format(format String,X) to format a double like follows???
7 Answers
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Read error response body in Java
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Here is the bug report (close, will not fix, not a bug).
Their advice there is to code like this:
HttpURLConnection httpConn = (HttpURLConnection)_urlConnection;
InputStream _is;
if (httpConn.getResponseCode() < HttpURLConnection.HT...
How can I list all the deleted files in a Git repository?
I know Git stores information of when files get deleted and I am able to check individual commits to see which files have been removed, but is there a command that would generate a list of every deleted file across a repository's lifespan?
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Remote connect to clearDB heroku database
How can i perform a remote connect to ClearDB MySQL database on heroku using for example MySQL Query Browser. Where to get url, port, login and password?
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