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std::shared_ptr thread safety explained
I'm reading http://gcc.gnu.org/onlinedocs/libstdc++/manual/shared_ptr.html and some thread safety issues are still not clear for me:
...
What is the opposite of evt.preventDefault();
...mand before continue a link from a click event in jQuery:
Eg: <a href="http://google.com/" class="myevent">Click me</a>
Prevent and follow through with jQuery:
$('a.myevent').click(function(event) {
event.preventDefault();
// Do my commands
if( myEventThingFirst() )
{...
How do I create a namespace package in Python?
... link to it here as it provides a practical example of how to make it go:
https://web.archive.org/web/20150425043954/http://cdent.tumblr.com/post/216241761/python-namespace-packages-for-tiddlyweb
That links to this article for the main guts of what's going on:
http://www.siafoo.net/article/77#mul...
Have a fixed position div that needs to scroll if content overflows
...:scroll;
overflow-x:hidden;
}
This fork of your fiddle shows my fix:
http://jsfiddle.net/strider820/84AsW/1/
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Convert data.frame column format from character to factor
...R I'd suggest you have a look at these two websites:
R reference manuals:
http://cran.r-project.org/manuals.html
R Reference card: http://cran.r-project.org/doc/contrib/Short-refcard.pdf
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Mock HttpContext.Current in Test Init Method
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HttpContext.Current returns an instance of System.Web.HttpContext, which does not extend System.Web.HttpContextBase. HttpContextBase was added later to address HttpContext being difficult to mock. The two classes are basicall...
How to make Java honor the DNS Caching Timeout?
... of 0 indicates "never cache". A value of -1 indicates "cache forever".
http://java.sun.com/j2se/1.4.2/docs/api/java/net/InetAddress.html
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Get GPS location from the web browser
...mini). IE9 does the job but is the worst performer. Checkout caniuse.com:
http://caniuse.com/#search=geol
Also you need the approval of your user to access their location, so make sure you check for this and give some decent instructions in case it's turned off. Especially for Iphone turning permi...
How to check if a json key exists?
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JSONObject class has a method named "has":
http://developer.android.com/reference/org/json/JSONObject.html#has(java.lang.String)
Returns true if this object has a mapping for name. The mapping may be NULL.
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Virtualbox “port forward” from Guest to Host [closed]
...change host port if you prefer
Go to host system and try it in browser:
http://127.0.0.1:8000
or your network ip address (find out on the host machine by running: ipconfig).
Network communication Guest -> Host
In this case port forwarding is not needed, the communication goes over the LAN bac...