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c++ boost::multi_index composite keys efficiency - C/C++ - 清泛网 - 专注C/C++及内核技术
...ime poster! I'm playing around with the boost::multi_index container stuff and have a...Long time reader first time poster! I'm playing around with the boost::multi_index container stuff and have a rather in-depth question that hopefully a boost or C++ container expert might know (my knowledge in C+...
Using Case/Switch and GetType to determine the object [duplicate]
...Type.GetTypeCode(node.GetType()))
{
case TypeCode.Decimal:
// Handle Decimal
break;
case TypeCode.Int32:
// Handle Int32
break;
...
}
share
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improve t...
Favicon not showing up in Google Chrome [duplicate]
...che. http://support.google.com/chrome/bin/answer.py?hl=en&answer=95582 And test another browser.
Some where able to get an updated favicon by adding an URL parameter: ?v=1 after the link href which changes the resource link and therefore loads the favicon without cache (thanks @Stanislav).
&l...
Calculate MD5 checksum for a file
...DF file is only containing images. I download the same PDF files everyday, and I want to see if the PDF has been modified. If the text and modification date cannot be obtained, is a MD5 checksum the most reliable way to tell if the file has changed?
...
How can I record a Video in my Android App.?
How can I capture a video recording on Android?
10 Answers
10
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Interpolating a string into a regex
...o}/
then the periods in your match text are treated as regexp wildcards, and "0.0.0.0" will match "0a0b0c0".
Note also that if you really just want to check for a substring match, you can simply do
if goo.include?(foo)
which doesn't require an additional quoting or worrying about special chara...
CSS transition shorthand with multiple properties?
I can't seem to find the correct syntax for the CSS transition shorthand with multiple properties. This doesn't do anything:
...
What is the difference between self-types and trait subclasses?
...njection in Scala, including the Cake Pattern. If you Google "Cake Pattern and Scala", you'll get many links, including presentations and videos. For now, here is a link to another question.
Now, as to what is the difference between a self type and extending a trait, that is simple. If you say B ex...
How to remove MySQL root password [closed]
...ot@localhost to be blank. There are two ways:
The MySQL SET PASSWORD command:
SET PASSWORD FOR root@localhost=PASSWORD('');
Using the command-line mysqladmin tool:
mysqladmin -u root -pType_in_your_current_password_here password ''
...
get an element's id
...
@Rana - Yup, it's a DOM element property, and all specific elements inherit from the basic dom element, so they have the property :)
– Nick Craver♦
Sep 2 '10 at 0:59
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