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Ruby custom error classes: inheritance of the message attribute
...he message so you don't have to pass it to the constructor:
class MyCustomError < StandardError
attr_reader :object
def initialize(object)
@object = object
end
end
begin
raise MyCustomError.new("an object"), "a message"
rescue MyCustomError => e
puts e.message # => "a messa...
CMake output/build directory
..." insourcesubdir)
IF(insource OR insourcesubdir)
MESSAGE(FATAL_ERROR "${MSG}")
ENDIF(insource OR insourcesubdir)
ENDMACRO(MACRO_ENSURE_OUT_OF_SOURCE_BUILD)
MACRO_ENSURE_OUT_OF_SOURCE_BUILD(
"${CMAKE_PROJECT_NAME} requires an out of source build."
)
The above macro comes from a...
What is a pre-revprop-change hook in SVN, and how do I create it?
I wanted to edit a log comment in the repository browser and received an error message that no pre-revprop-change hook exists for the repository. Besides having a scary name, what is a pre-revprop-change hook, and how do I create it?
...
How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
...
"""
plt.plot(x, y, 'ro',label="Original Data")
"""
brutal force to avoid errors
"""
x = np.array(x, dtype=float) #transform your data in a numpy array of floats
y = np.array(y, dtype=float) #so the curve_fit can work
"""
create a function to fit with your data. a, b, c and d are the coeffici...
gcc makefile error: “No rule to make target …”
...me of my classes don't have .cpp files, so they weren't there- causing the error. Thanks.
– Meir
May 7 '09 at 14:09
4
...
TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT maximum storage sizes
... |
edited Jun 14 at 8:05
e2-e4
25.1k55 gold badges6565 silver badges9393 bronze badges
answered Dec ...
Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
...cgi.conf;
fastcgi_pass 127.0.0.1:9000;
fastcgi_intercept_errors on;
error_page 500 502 503 504 = /phoenix/failover;
}
location = /phoenix/content {
internal;
content_by_lua_file /path/to/phoenix/content.lua;
}
location = /phoenix...
Objective-C declared @property attributes (nonatomic, copy, strong, weak)
... In addition to the comment of @JohnBushnell there are many other errors and inaccuracies in this answer. It has also not aged well, so is somwhat historical. Go look elsewhere if you seek an answer to this question.
– CRD
Mar 1 '18 at 5:22
...
Window vs Page vs UserControl for WPF navigation?
... catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error");
}
}
That's one way of doing it We can also use a Tab Control instead of Fram and Add pages to it using a Dictionary while adding new page check if the control already exists then only navigate otherwise...
Send POST request using NSURLSession
...ams. The following will send the parameters correctly to a JSON server.
NSError *error;
NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
NSURLSession *session = [NSURLSession sessionWithConfiguration:configuration delegate:self delegateQueue:nil];...