大约有 5,000 项符合查询结果(耗时:0.0205秒) [XML]

https://stackoverflow.com/ques... 

Why can I pass 1 as a short, but not the int variable i?

...int, or ulong, provided the value of the constant-expression is within the range of the destination type. A constant-expression of type long can be converted to type ulong, provided the value of the constant-expression is not negative. (Quoted from C# Language Specification Version 3.0) ...
https://stackoverflow.com/ques... 

Iteration over std::vector: unsigned vs signed index variable

...on't know. That will ensure your code runs as generic as possible. Using Range C++11 for(auto const& value: a) { /* std::cout << value; ... */ Using indices for(std::vector<int>::size_type i = 0; i != v.size(); i++) { /* std::cout << v[i]; ... */ } Using arra...
https://stackoverflow.com/ques... 

Map and Reduce in .NET

... already has it albeit under different names. Map is Select: Enumerable.Range(1, 10).Select(x => x + 2); Reduce is Aggregate: Enumerable.Range(1, 10).Aggregate(0, (acc, x) => acc + x); Filter is Where: Enumerable.Range(1, 10).Where(x => x % 2 == 0); https://www.justinshield.com/20...
https://stackoverflow.com/ques... 

Full examples of using pySerial package [closed]

... the application.' input=1 while 1 : # get keyboard input input = raw_input(">> ") # Python 3 users # input = input(">> ") if input == 'exit': ser.close() exit() else: # send the character to the device # (note that I happe...
https://stackoverflow.com/ques... 

Minimizing NExpectation for a custom distribution in Mathematica

...df[x] looks like Plot[pdf2[3.77, 1.34, -2.65, 0.40, x]*x, {x, 0, .3}, PlotRange -> All] and the expected value is NIntegrate[pdf2[3.77, 1.34, -2.65, 0.40, x]*x, {x, 0, \[Infinity]}] Out= 0.0596504 But since you want the expected value between a start and +inf we need to integrate in this ...
https://stackoverflow.com/ques... 

In Python, how do I create a string of n characters in one line of code?

...ii_lowercase n = 10 string_val = "".join(choice(ascii_lowercase) for i in range(n)) share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Dictionary text file [closed]

... somewhere and boom, you have it). Otherwise I think this list is similar: raw.githubusercontent.com/eneko/data-repository/master/data/…. – Greg Schmit Apr 8 '17 at 23:09 2 ...
https://stackoverflow.com/ques... 

Regex - Should hyphens be escaped? [duplicate]

Hyphen is a special character in regex, for instance, to select a range, I could do something like: 3 Answers ...
https://stackoverflow.com/ques... 

How to configure PostgreSQL to accept all incoming connections

... Addition to above great answers, if you want some range of IPs to be authorized, you could edit /var/lib/pgsql/{VERSION}/data file and put something like host all all 172.0.0.0/8 trust It will accept incoming connections from any host of ...
https://stackoverflow.com/ques... 

Run Cron job every N minutes plus offset

...lanation An * in the minute field is the same as 0-59/1 where 0-59 is the range and 1 is the step. The command will run at the first minute in the range (0), then at all successive minutes that are distant from the first by step (1), until the last (59). Which is why */20 * * * * will run at 0 min...