大约有 45,000 项符合查询结果(耗时:0.0463秒) [XML]

https://stackoverflow.com/ques... 

Does Notepad++ show all hidden characters?

...ould identify the character, where cursor takes 2 arrow keys to move, just select that character. do Ctrl-F now you can count or replace or even mark all such characters share | improve this an...
https://stackoverflow.com/ques... 

Unsigned keyword in C++

...ng -> signed long signed long unsigned long Be careful of char: char (is signed or unsigned depending on the implmentation) signed char unsigned char share | improve this answer ...
https://stackoverflow.com/ques... 

How do I convert an integer to string as part of a PostgreSQL query?

...o 15 digits, you'll meed to cast to an 64 bit (8-byte) integer. Try this: SELECT * FROM table WHERE myint = mytext::int8 The :: cast operator is historical but convenient. Postgres also conforms to the SQL standard syntax myint = cast ( mytext as int8) If you have literal text you want to c...
https://stackoverflow.com/ques... 

Generate a random letter in Python

...tates If the relative weights or cumulative weights are not specified, the selections are made with equal probability. This would mean, that the distribution is the discrete uniform distribution (en.wikipedia.org/wiki/Discrete_uniform_distribution). – Qaswed Oc...
https://stackoverflow.com/ques... 

static const vs #define

...l than a post-preprocessing "if" as the code need not be compilable if not selected by the preprocessor), use #undef-ine, redefine etc. substituted text has to be exposed: in the translation unit it's used by, which means macros in libraries for client use must be in the header, so make and other ...
https://stackoverflow.com/ques... 

How to group time by hour or by 10 minutes

...time intervals. (There is no collision between years.) Including it in the SELECT statement will give your output a column with pretty output truncated at the level you specify. '2000' is an "anchor date" around which SQL will perform the date math. Jereonh discovered below that you encounter an in...
https://stackoverflow.com/ques... 

How to read a CSV file into a .NET Datatable

...e(path); string fileName = Path.GetFileName(path); string sql = @"SELECT * FROM [" + fileName + "]"; using(OleDbConnection connection = new OleDbConnection( @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + pathOnly + ";Extended Properties=\"Text;HDR=" + h...
https://stackoverflow.com/ques... 

How do I trim leading/trailing whitespace in a standard way?

... allocated. The return // value must NOT be deallocated using free() etc. char *trimwhitespace(char *str) { char *end; // Trim leading space while(isspace((unsigned char)*str)) str++; if(*str == 0) // All spaces? return str; // Trim trailing space end = str + strlen(str) - 1; ...
https://stackoverflow.com/ques... 

What is the best way to remove accents (normalize) in a Python unicode string?

...ccents(u"A \u00c0 \u0394 \u038E") u'A A \u0394 \u03a5' >>> The character category "Mn" stands for Nonspacing_Mark, which is similar to unicodedata.combining in MiniQuark's answer (I didn't think of unicodedata.combining, but it is probably the better solution, because it's more explicit)...
https://stackoverflow.com/ques... 

RegEx to find two or more consecutive chars

I need to determine if a string contains two or more consecutive alpha chars. Two or more [a-zA-Z] side by side. Example: ...