大约有 6,000 项符合查询结果（耗时：0.0269秒） [XML]
How to convert std::string to lower case?
...aracters allowed in the french language. For instance a string 'Test String123. É Ï\n' will be converted to : 'test string123. É Ï\n' although characters É Ï and their lower case couterparts 'é' and 'ï', are allowed in french. It seems that no solution for that was provided by other message...
Fastest way to check if a string is JSON in PHP?
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$phone = '021234567'; var_dump(isJson($phone)); return true no! it should return false.
– vee
Jan 2 '14 at 17:12
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Cast a Double Variable to Decimal
...hould use the M when declaring a new literal decimal value:
decimal dec = 123.45M;
(Without the M, 123.45 is treated as a double and will not compile.)
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Vim Insert Mode on Mac OS X
... LMAO. It seems like such a simple question, but I too was very lost. Hard to search for as well. I've always used the insert key. I was at a loss.
– Preston
Oct 14 '13 at 18:05
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How to open Atom editor from command line in OS X?
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If you get "File exists" and the Atom command still dose not work just delete it and type the command over again.
– Anders
Mar 14 '14 at 9:34
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Does Javascript pass by reference? [duplicate]
...cript!
Call-by-Value
Primitive types are passed by-value:
var num = 123, str = "foo";
function f(num, str) {
num += 1;
str += "bar";
console.log("inside of f:", num, str);
}
f(num, str);
console.log("outside of f:", num, str);
Reassignments inside a function scope are ...
warning about too many open figures
...yplot interface (matplotlib.pyplot.figure) are retained until explicitly closed and may consume too much memory.
6 Answer...
How to save a Python interactive session?
...as
%save current_session ~0/
%save previous_session ~1/
Look at the videos on the presentation page to get a quick overview of the features.
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django change default runserver port
...ution for I wouldn't recommend it to run the development environment. You lose the advantage of having the server output on the terminal, among other things. If you really want to use supervisor my advice would be to use it with a fully featured WSGI server like Gunicorn. Please don't run the develo...
Difference between filter and filter_by in SQLAlchemy
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Be careful when using .filter. a query like id=12345, query(users).filter(id == id) will not filter on users.id. Instead, it will evaluate id == id as True and return all users. You need to use .filter(users.id == id) (as demoed above). I made this mistake earlier today.
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