大约有 45,000 项符合查询结果(耗时:0.0586秒) [XML]
How to set a single, main title above all the subplots with Pyplot?
...
Note, it is plt.suptitle() and not plt.subtitle(). I did not realize this in the beginning and got a nasty error! :D
– Dataman
May 10 '16 at 15:40
...
urlencode vs rawurlencode?
...RL using a variable I have two choices to encode the string. urlencode() and rawurlencode() .
11 Answers
...
Haskell: Where vs. Let
I am new to Haskell and I am very confused by Where vs. Let . They both seem to provide a similar purpose. I have read a few comparisons between Where vs. Let but I am having trouble discerning when to use each. Could someone please provide some context or perhaps a few examples that demonstr...
How to read file contents into a variable in a batch file?
...t codepage, which isn't necessarily OEM/ANSI. Worst case is codepage 65001 and a file filled with 4-byte UTF-8 characters (e.g. an ancient script). You'll get 255 characters, plus a partially decoded character stored as the replacement character, U+FFFD.
– Eryk Sun
...
Scala equivalent of Java java.lang.Class Object
...ng the same information from an instance of the type.
However, classOf[T] and getClass return slightly different values, reflecting the effect of type erasure on the JVM, in the case of getClass.
scala> classOf[C]
res0: java.lang.Class[C] = class C
scala> c.getClass
res1: java.lang.Class[_] ...
Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
...
Most compilers have their own specifier for size_t and ptrdiff_t arguments, Visual C++ for instance use %Iu and %Id respectively, I think that gcc will allow you to use %zu and %zd.
You could create a macro:
#if defined(_MSC_VER) || defined(__MINGW32__) //__MINGW32__ should...
What is the difference between . (dot) and $ (dollar sign)?
What is the difference between the dot (.) and the dollar sign ($) ?
13 Answers
13
...
How do I determine the target architecture of static library (.a) on Mac OS X?
...
Another option is lipo; its output is brief and more readable than otool's.
An example:
% lipo -info /usr/lib/libiodbc.a
Architectures in the fat file: /usr/lib/libiodbc.a are: x86_64 i386 ppc
% lipo -info libnonfatarchive.a
input file libnonfatarchive.a is not a fa...
The written versions of the logical operators
This is the only place I've ever seen and , or and not listed as actual operators in C++. When I wrote up a test program in NetBeans, I got the red underlining as if there was a syntax error and figured the website was wrong, but it is NetBeans which is wrong because it compiled and ran as exp...
Copy values from one column to another in the same table
...uestion is:
UPDATE `table` SET test=number
Here table is the table name and it's surrounded by grave accent (aka back-ticks `) as this is MySQL convention to escape keywords (and TABLE is a keyword in that case).
BEWARE, that this is pretty dangerous query which will wipe everything in column te...