大约有 47,000 项符合查询结果(耗时:0.0590秒) [XML]

https://stackoverflow.com/ques... 

Does Notepad++ show all hidden characters?

...ould identify the character, where cursor takes 2 arrow keys to move, just select that character. do Ctrl-F now you can count or replace or even mark all such characters share | improve this an...
https://stackoverflow.com/ques... 

Method can be made static, but should it?

...ods essentially ignore the instance, but where the instance is required to select the right method to use. – supercat Jul 13 '10 at 15:11 3 ...
https://stackoverflow.com/ques... 

How to add a custom button state

...tion indicated by @(Ted Hopp) works, but needs a little correction: in the selector, the item states need an "app:" prefix, otherwise the inflater won't recognise the namespace correctly, and will fail silently; at least this is what happens to me. Allow me to report here the whole solution, with s...
https://stackoverflow.com/ques... 

How do I use a file grep comparison inside a bash if/else statement?

...m grep --help, but also see man grep: Exit status is 0 if any line was selected, 1 otherwise; if any error occurs and -q was not given, the exit status is 2. if grep --quiet MYSQL_ROLE=master /etc/aws/hosts.conf; then echo exists else echo not found fi You may want to use a more specif...
https://stackoverflow.com/ques... 

Spring @Transactional - isolation, propagation

...ion. I think if you understand the dirty reads concept you will be able to select a good option. Example of when a dirty read can occur: thread 1 thread 2 | | write(x) | | | | read(x) | | rollback | v v...
https://stackoverflow.com/ques... 

Why is it bad style to `rescue Exception => e` in Ruby?

...IFT-ESC), go to the "processes" tab, find your process, right click it and select "End process". If you are working with someone else's program which is, for whatever reason, peppered with these ignore-exception blocks, then putting this at the top of the mainline is one possible cop-out: %W/INT Q...
https://stackoverflow.com/ques... 

ActiveRecord: size vs count

... don't know what you are doing, use size... count Resolves to sending a Select count(*)... query to the DB. The way to go if you don't need the data, but just the count. Example: count of new messages, total elements when only a page is going to be displayed, etc. length Loads the required dat...
https://stackoverflow.com/ques... 

Difference between classification and clustering in data mining? [closed]

... of fruits. What you will do first is you take on the fruit and you will select any physical character of that particular fruit. suppose you taken color. Then you will arrange them based on the color, then the groups will be some thing like this. RED COLOR GROUP: apples & cherry fruits. GREE...
https://stackoverflow.com/ques... 

What is the main difference between PATCH and PUT request?

...es. http patch method is like a UPDATE query in SQL which sets or updates selected columns only and not the whole row. Example: You could use PATCH method to update order status. PATCH /api/users/40450236/order/10234557 Request Body: {status: 'Delivered'} ...
https://stackoverflow.com/ques... 

How does BLAS get such extreme performance?

... can have different settings). It tries different configurations and then selects the best for the particular target system. (Tip: That is why if you are using ATLAS you are better off building and tuning the library by hand for your particular machine then using a prebuilt one.) ...