大约有 21,000 项符合查询结果(耗时:0.0309秒) [XML]

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What are the use cases for selecting CHAR over VARCHAR in SQL?

... (CustomerFirstName,CustomerLastName, CustomerCityStateZip) ('Joe','Blow','123 Main St Washington, MD 12345', 123.45) create view vwStagingTable AS SELECT CustomerFirstName = CAST(CustomerFirstName as CHAR(30)), CustomerLastName = CAST(CustomerLastName as CHAR(30)), CustomerCityStateZip = CAST(Cust...
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How to get the path of the batch script in Windows?

... be the directory. Here's some documentation on all of the path modifiers. Fun stuff :-) To remove the final backslash, you can use the :n,m substring syntax, like so: SET mypath=%~dp0 echo %mypath:~0,-1% I don't believe there's a way to combine the %0 syntax with the :~n,m syntax, unfortunately...
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How to pull request a wiki page on GitHub?

... We have found the best solution for the problem so far in https://devonfw.com : Put your documentation into the git repository together with the code inside a documentation folder. Extend your travis-ci build with some magic that stages all changes from that documentation folder ...
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Creating an API for mobile applications - Authentication and Authorization

...would encounter on a web page. Possible very simple options would include https for the login step, return a token, require it to be included with future requests. You could also use http basic authentication, and just pass stuff in the header. For added security, rotate/expire the tokens frequen...
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Pure JavaScript Send POST Data Without a Form

...n server (for testing): import time, threading, socket, SocketServer, BaseHTTPServer import os, traceback, sys, json log_lock = threading.Lock() log_next_thread_id = 0 # Local log functiondef def Log(module, msg): with log_lock: thread = threading.current_thread().__name_...
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How to get the file name from a full path using JavaScript?

... of performance, I tested all the answers given here: var substringTest = function (str) { return str.substring(str.lastIndexOf('/')+1); } var replaceTest = function (str) { return str.replace(/^.*(\\|\/|\:)/, ''); } var execTest = function (str) { return /([^\\]+)$/.exec(str)[1]; } ...
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Check whether a path is valid in Python without creating a file at the path's target

...s-specific error code indicating an invalid pathname. See Also ---------- https://docs.microsoft.com/en-us/windows/win32/debug/system-error-codes--0-499- Official listing of all such codes. ''' def is_pathname_valid(pathname: str) -> bool: ''' `True` if the passed pathname is a vali...
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How to convert milliseconds into human readable form?

... Just used that in a flash function. thanks! (upvoted for simplicity) – Makram Saleh Aug 19 '09 at 12:45 2 ...
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Can I “multiply” a string (in C#)?

...u on this one, but if for some reason you did want to cheat using built-in functionality then you could do something like this: string snip = "</li></ul>"; int multiplier = 2; string result = string.Join(snip, new string[multiplier + 1]); Or, if you're using .NET 4: string result = ...
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How to dynamically create CSS class in JavaScript and apply?

...ement.className + " " + name; } } Here's a little test page as well: https://gist.github.com/shadybones/9816763 The key little bit is the fact that style elements have a "styleSheet"/"sheet" property which you can use to to add/remove rules on. ...