大约有 23,000 项符合查询结果(耗时:0.0326秒) [XML]
Should I use int or Int32
...h the old C++ mindset, IntPtr is designed to be 32 bits on a 32 bit OS and 64 bits on a 64 bit OS. This behavior is specifically mentioned in its summary tag. msdn.microsoft.com/en-us/library/system.intptr(VS.71).aspx
– diadem
Jul 8 '10 at 14:46
...
Open file dialog and select a file using WPF controls and C#
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
How to get a list of MySQL views?
...---------+------+-----+---------+-------+
| TABLE_CATALOG | varchar(64) | YES | | NULL | |
| TABLE_SCHEMA | varchar(64) | YES | | NULL | |
| TABLE_NAME | varchar(64) | YES | | NULL ...
CSS 3 slide-in from left transition
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
NodeJS - Error installing with NPM
...finally) had it working with VS 2015 Community edition. I'm on Window 10, 64 bits. I used "npm config set msvs_version 2015 -g" in command prompt (after installation of VS, of course). Most people falling on this problem over time have suggested VS2010, or sometimes up to 2013, but I solved at l...
Getting Python error “from: can't read /var/mail/Bio”
... Yup, unless python is located somewhere else. I prefer to use the env-based solution because it simply looks up Python in the default path of the user.
– Tamás
Apr 17 '13 at 20:42
...
Django CharField vs TextField
... nit: the Django docs recommend: Avoid using null on string-based fields such as CharField and TextField: docs.djangoproject.com/en/2.0/ref/models/fields/#null so it's best to keep null=False.
– modulitos
Jan 15 '19 at 22:27
...
_csv.Error: field larger than field limit (131072)
...
On Windows 7 64bit with Python 2.6, maxInt = sys.maxsize returns 9223372036854775807L which consequently results in a TypeError: limit must be an integer when calling csv.field_size_limit(maxInt). Interestingly, using maxInt = int(sys.max...
Python dictionary: Get list of values for list of keys
...
A little speed comparison:
Python 2.7.11 |Anaconda 2.4.1 (64-bit)| (default, Dec 7 2015, 14:10:42) [MSC v.1500 64 bit (AMD64)] on win32
In[1]: l = [0,1,2,3,2,3,1,2,0]
In[2]: m = {0:10, 1:11, 2:12, 3:13}
In[3]: %timeit [m[_] for _ in l] # list comprehension
1000000 loops, best of 3...
Best practices for circular shift (rotate) operations in C++
...motion rules mean that rotl_template(u16 & 0x11UL, 7) would do a 32 or 64-bit rotate, not 16 (depending on the width of unsigned long). Even uint16_t & uint16_t is promoted to signed int by C++'s integer-promotion rules, except on platforms where int is no wider than uint16_t.
On x86, th...