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What does auto&& tell us?
...any initializer regardless of whether it is an lvalue or rvalue expression and I will preserve its constness. This is typically used for forwarding (usually with T&&). The reason this works is because a "universal reference", auto&& or T&&, will bind to anything.
You might s...
How to implement a binary tree?
... if val == node.v:
return node
elif (val < node.v and node.l is not None):
self._find(val, node.l)
elif (val > node.v and node.r is not None):
self._find(val, node.r)
def deleteTree(self):
# garbage collector will do this for u...
Find files containing a given text
In bash I want to return file name (and the path to the file) for every file of type .php|.html|.js containing the case-insensitive string "document.cookie" | "setcookie"
...
why is plotting with Matplotlib so slow?
...ating different python plotting libraries. Right now I'm trying matplotlib and I'm quite disappointed with the performance. The following example is modified from SciPy examples and gives me only ~ 8 frames per second!
...
Preloading CSS Images
...eployed clicking on a button. Its fields are set as CSS background images, and they always appears a bit later than the div that have been toggled.
...
“Debug only” code that should run only when “turned on”
...e here gets executed only when compiled with the DEBUG constant,
// and when the person debugging manually sets the bool above to true.
// It then stays for the rest of the session until they set it to false.
}
#endif
// ...
}
Just to be complete, pragmas (preprocessor directives...
Set time part of DateTime in ruby
Say I have a datetime object eg DateTime.now . I want to set hours and minutes to 0 (midnight). How can I do that?
4 Ans...
How to print Boolean flag in NSLog?
...@ changes as follows
For Strings you use %@
For int you use %i
For float and double you use %f
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Get color value programmatically when it's a reference (theme)
...o apply the theme to your Activity before calling this code. Either use:
android:theme="@style/Theme.BlueTheme"
in your manifest or call (before you call setContentView(int)):
setTheme(R.style.Theme_BlueTheme)
in onCreate().
I've tested it with your values and it worked perfectly.
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Must JDBC Resultsets and Statements be closed separately although the Connection is closed afterward
.... But if I have the following code, is it necessary to close the Resultset and the Statement?
12 Answers
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