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adding x and y axis labels in ggplot2
...+
ylab("My y label") +
ggtitle("Weighted Scatterplot of Watershed Area vs. Discharge and Nitrogen Levels (PPM)")
ggplot(ex1221, aes(Discharge, Area)) +
geom_point(aes(size=NO3)) +
scale_size_area("Nitrogen") +
scale_x_continuous("My x label") +
scale_y_continuous("My y label") +
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How do I “Add Existing Item” an entire directory structure in Visual Studio?
I have a free standing set of files not affiliated with any C# project at all that reside in a complicated nested directory structure.
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Performing Inserts and Updates with Dapper
...Connection extension methods:
T Get<T>(id);
IEnumerable<T> GetAll<T>();
int Insert<T>(T obj);
int Insert<T>(Enumerable<T> list);
bool Update<T>(T obj);
bool Update<T>(Enumerable<T> list);
bool Delete<T>(T obj);
bool Delete<T>(Enumera...
转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
...iles] Error 1
make: *** [Makefiles] Error 2
A:
没装berkeleyDB的开发库，或者是指定路径没有找到，所以报这个错了。如果是linux， 注意看有没有db*-devel的rpm，或者libdb*-dev的deb（debian）如果是bsd，则看看有没有装db3/db4等包
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Using semicolon (;) vs plus (+) with exec in find
...mand line length. If the command exceeds this length, the command will be called multiple times.
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PHP Error handling: die() Vs trigger_error() Vs throw Exception
...ur application can fail and you want your code to recover across multiple call-levels.
trigger_error() lets you fine-grain error reporting (by using different levels of error messages) and you can hide those errors from end-users (using set_error_handler()) but still have them be displayed to you d...
ASP.NET WebApi vs MVC ? [closed]
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WebApi allows to create services that can be exposed over HTTP rather than through a formal service such as WCF or SOAP.
Another difference is in the way how WebApi uses Http protocol and makes it truly First class Http citizen.
U...
JSONP with ASP.NET Web API
...ms to be ok, but because the service exists on a separate site, trying to call it with JQuery errors with the "Not Allowed". So, this is clearly a case where I need to use JSONP.
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Visual Studio debugging/loading very slow
I'm at wits end. Visual Studio is typically painfully slow to debug or just plain load ("start without debugging") my ASP.NET MVC sites. Not always: at first, the projects will load nice and fast, but once they load slow, they'll always load slow after that. I could be waiting 1-2 minutes or more....
Visual Studio C# statement collapsing
When editing really long code blocks (which should definitely be refactored anyway, but that's beyond the scope of this question), I often long for the ability to collapse statement blocks like one can collapse function blocks. That is to say, it would be great if the minus icon appeared on the cod...