大约有 47,000 项符合查询结果(耗时:0.0679秒) [XML]

https://stackoverflow.com/ques... 

How to initialize a two-dimensional array in Python?

...beginning python and I'm trying to use a two-dimensional list, that I initially fill up with the same variable in every place. I came up with this: ...
https://stackoverflow.com/ques... 

How to check if a String contains another String in a case insensitive manner in Java?

...tains is case sensitive. You can use java.util.regex.Pattern with the CASE_INSENSITIVE flag for case insensitive matching: Pattern.compile(Pattern.quote(wantedStr), Pattern.CASE_INSENSITIVE).matcher(source).find(); EDIT: If s2 contains regex special characters (of which there are many) it's impo...
https://stackoverflow.com/ques... 

Pretty printing JSON from Jackson 2.2's ObjectMapper

....databind.ObjectMapper and would like to get a String with pretty JSON. All of the results of my Google searches have come up with Jackson 1.x ways of doing this and I can't seem to find the proper, non-deprecated way of doing this with 2.2. Even though I don't believe that code is absolutely nec...
https://stackoverflow.com/ques... 

What's the difference between MyISAM and InnoDB? [duplicate]

...es made by two or more DML operations handled as single unit of work, with all of the changes either applied, or all the changes reverted) then you would choose the InnoDB engine, since these features are absent from the MyISAM engine. Those are the two biggest differences. Another big difference is...
https://stackoverflow.com/ques... 

Generating all permutations of a given string

What is an elegant way to find all the permutations of a string. E.g. permutation for ba , would be ba and ab , but what about longer string such as abcdefgh ? Is there any Java implementation example? ...
https://stackoverflow.com/ques... 

How does StartCoroutine / yield return pattern really work in Unity?

...rocesses, like gameplay triggers, that do nothing most frames, but occasionally are called upon to do critical work. And you’ve got assorted processes between the two. Whenever you’re creating a process that will take place over multiple frames – without multithreading – you need to fin...
https://stackoverflow.com/ques... 

How to position a div in the middle of the screen when the page is bigger than the screen

...een.width / 2) - (530 / 2); var top = (screen.height / 2) - (500 / 2); var _url = 'PopupListRepair.aspx'; window.open(_url, self, "width=530px,height=500px,status=yes,resizable=no,toolbar=no,menubar=no,left=" + left + ",top=" + top + ",scrollbars=no"); ...
https://stackoverflow.com/ques... 

How to set a default value for an existing column

... MSSQL is weird for calling default values "constraints". If anything, they are relaxations; the opposite of a constraint! They make more things valid, not fewer. – Roman Starkov May 11 '13 at 12:06 ...
https://stackoverflow.com/ques... 

Removing path and extension from filename in powershell

...ng results. strTestPath = C:\Users\DAG\Documents\Articles_2018\NTFS_File_Times_in_CMD\PathStringInfo.ps1 GetDirectoryName = C:\Users\DAG\Documents\Articles_2018\NTFS_File_Times_in_CMD GetFileName = PathStringInfo.ps1 GetExtension = .ps1 Get...
https://stackoverflow.com/ques... 

SQLite: How do I save the result of a query as a CSV file?

... All the existing answers only work from the sqlite command line, which isn't ideal if you'd like to build a reusable script. Python makes it easy to build a script that can be executed programatically. import pandas as pd im...