大约有 16,000 项符合查询结果(耗时:0.0347秒) [XML]

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Best way to trim strings after data entry. Should I create a custom model binder?

...business tier, clients. One other observation, the "DisplayFormatAttribute(ConvertEmptyStringToNull)" controls whether the trimmed string will be saved as null or an empty string. The default is true (null) which I like but in case you require empty strings in your database (hopefully not) you can s...
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java.sql.SQLException: - ORA-01000: maximum open cursors exceeded

...tor functions in Oracle SQL Developer. From SQL it can be set with: ALTER SYSTEM SET OPEN_CURSORS=1337 SID='*' SCOPE=BOTH; Relating JDBC in the JVM to cursors on the DB The JDBC objects below are tightly coupled to the following database concepts: JDBC Connection is the client representation o...
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pretty-print JSON using JavaScript

...ting from a valid JSON string that you want to pretty printed, you need to convert it to an object first: var jsonString = '{"some":"json"}'; var jsonPretty = JSON.stringify(JSON.parse(jsonString),null,2); This builds a JSON object from the string, and then converts it back to a string using JS...
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Finding all possible permutations of a given string in python

... has since been changed to say The built-in function bool() can be used to convert any value to a Boolean, specifically convert rather than cast. This happened in the subsequent release to this discussion, leading me to believe that this discussion lead to a change in the docs! ...
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Python Dictionary to URL Parameters

I am trying to convert a Python dictionary to a string for use as URL parameters. I am sure that there is a better, more Pythonic way of doing this. What is it? ...
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How to get MD5 sum of a string using python?

...xception. Encoding a bytestring will leave ascii characters untouched and convert unicode correctly – Charles L. Aug 20 '18 at 16:13 ...
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Design Patterns web based applications [closed]

...th HttpServletRequest and HttpServletResponse objects. You have to gather, convert and validate the request parameters (mostly) yourself. The View can be represented by plain vanilla HTML/CSS/JS and it does not maintain state across requests. This is how among others Spring MVC, Struts and Stripes w...
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What does the 'b' character do in front of a string literal?

...ld become a bytes literal in Python 3 (e.g. when code is automatically converted with 2to3). A 'u' or 'b' prefix may be followed by an 'r' prefix. The Python 3 documentation states: Bytes literals are always prefixed with 'b' or 'B'; they produce an instance of the bytes type instead o...
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Calculate age given the birth date in the format YYYYMMDD

...rankJensen Hi Frank, i was curious too and found this answer: double tilde converts float to integer Greetings – Stano Jun 11 '13 at 16:19 ...
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Simple Vim commands you wish you'd known earlier [closed]

...d code = select contents of entire file ggVG convert selected text to uppercase U convert selected text to lowercase u invert case of selected text ~ convert tabs to spaces :retab start recording a macro qX (X =...