大约有 8,100 项符合查询结果（耗时：0.0302秒） [XML]
Check if character is number?
I need to check whether justPrices[i].substr(commapos+2,1) .
22 Answers
22
...
How to get Sinatra to auto-reload the file after each change?
...
See the Sinatra FAQ,
"How do I make my Sinatra app reload on changes?"
First off, in-process code reloading in Ruby is hard and having a
solution that works for every scenario is technically impossible.
Which is why we recommend you to do out-of-process reloadin...
QString to char* conversion
I was trying to convert a QString to char* type by the following methods, but they don't seem to work.
10 Answers
...
psql - save results of command to a file
I'm using psql's \dt to list all tables in a database and I need to save the results.
10 Answers
...
Get current time as formatted string in Go?
What's the best way to get the current timestamp in Go and convert to string? I need both date and time in eg. YYYYMMDDhhmmss format.
...
How do I enable standard copy paste for a TextView in Android?
I want to enable standard copy paste for a TextView (the same as for EditText). How can I do it?
9 Answers
...
Can jQuery read/write cookies to a browser?
Simple example: I want to have some items on a page (like divs or table rows), and I want to let the user click on them to select them. That seems easy enough in jQuery. To save which items a user clicks on with no server-side post backs, I was thinking a cookie would be a simple way to get this don...
How to deal with SQL column names that look like SQL keywords?
...I allowed to do something like SELECT from FROM TableName or is there a special syntax to avoid the SQL Server being confused?
...
PHP array: count or sizeof?
To find the number of elements in a PHP $array , which is faster/better/stronger?
7 Answers
...
How Do I Use Factory Girl To Generate A Paperclip Attachment?
I have model Person that has many Images, where images has a Paperclip attachment field called data, an abbreviated version displayed below:
...