大约有 15,563 项符合查询结果（耗时：0.0333秒） [XML]
src/lxml/etree_defs.h:9:31: fatal error: libxml/xmlversion.h: No such file or directory
...
I installed the two libraries, and still got the error. Logged off and back on, and still got the error. The make file is looking in /usr/include for libxml, but that is nested inside a libxml2 directory. Linking to libxml from /usr/include did the trick sudo ln -s libxm...
Is there a simple way to convert C++ enum to string?
... I could not get this to compile in VS2015. I get a warning and an error: warning: multi-line comment [-Wcomment] #define MAKE_ENUM(name, ...) enum class name { VA_ARGS, __COUNT} error: stray '#' in program std*: string enumName = #name
– C...
AJAX post error : Refused to set unsafe header “Connection”
... to a PHP file. Everytime the post of data happens I get the following two errors :
1 Answer
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In Python, how do I indicate I'm overriding a method?
...'hello kitty!'
and if you do a faulty version it will raise an assertion error during class loading:
class ConcreteFaultyImplementer(MySuperInterface):
@overrides(MySuperInterface)
def your_method(self):
print 'bye bye!'
>> AssertionError!!!!!!!
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What is the difference between float and double?
...og(10) = 7.22 digits
This precision loss could lead to greater truncation errors being accumulated when repeated calculations are done, e.g.
float a = 1.f / 81;
float b = 0;
for (int i = 0; i < 729; ++ i)
b += a;
printf("%.7g\n", b); // prints 9.000023
while
double a = 1.0 / 81;
double b = ...
MySQL Cannot Add Foreign Key Constraint
...t time or two on different tables, but I have two tables on which I get an error when trying to add the Foreign Key Constraints.
The error message that I get is:
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Check whether a path is valid in Python without creating a file at the path's target
...en failing to reliable close or delete) 0-byte files.
Ignoring OS-specific errors differentiating between non-ignorable invalid pathnames and ignorable filesystem issues. Unsurprisingly, this is critical under Windows. (See below.)
Ignoring race conditions resulting from external processes concurren...
Adding gif image in an ImageView in android
...static final int STATUS_OK = 0;
public static final int STATUS_FORMAT_ERROR = 1;
public static final int STATUS_OPEN_ERROR = 2;
protected static final int MAX_STACK_SIZE = 4096;
protected InputStream in;
protected int status;
protected int width; // full image width
pr...
When converting a project to use ARC what does “switch case is in protected scope” mean?
...sing Xcode 4 Edit -> Refactor -> Convert to Objective-C ARC...
One of the errors I get is "switch case is in protected scope" on "some" of the switches in a switch case.
...
Best practices: throwing exceptions from properties
...or setters they indicate that exceptions are an appropriate and acceptable error handling strategy.
For indexers, Microsoft indicates that it is acceptable for both getters and setters to throw exceptions. And in fact, many indexers in the .NET library do this. The most common exception being Argum...