大约有 26,000 项符合查询结果(耗时:0.0338秒) [XML]
Android app in Eclipse: Edit text not showing on Graphical layout
...pse, but then I drag the Plain text option on to the graphical layout, a message at the bottom comes up. It reads
Exception raised during rendering: java.lang.System.arraycopy([CI[CII)V
Exception details are logged in Window > Show View > Error Log
Even when I go to Window > Show View ...
What is the difference between single and double quotes in SQL?
...u can use single quotes for a column alias — where you want the column name you reference in your application code to be something other than what the column is actually called in the database. For example: PRODUCT.id would be more readable as product_id, so you use either of the following:
SEL...
How can I remove a specific item from an array?
I have an array of numbers and I'm using the .push() method to add elements to it.
97 Answers
...
How to configure postgresql for the first time?
...tallation.
When I try to do createdb and specify any password I get the message:
10 Answers
...
Django, creating a custom 500/404 error page
... a custom 500 or 404 error page. If I do type in a bad url, the page gives me the default error page. Is there anything I should be checking for that would prevent a custom page from showing up?
...
How do I keep Python print from adding newlines or spaces? [duplicate]
...
This worked great for me. Just don't forget to do a sys.stdout.flush() when you're ready to display it on screen, otherwise it will hold it in a buffer and you won't see it. I use this to give visual feedback that a script is still running when ...
Using Regex to generate Strings rather than match them
I am writing a Java utility which helps me to generate loads of data for performance testing. It would be really cool to be able to specify a regex for Strings so that my generator spits out things which match this. Is there something out there already baked which I can use to do this? Or is th...
How to Correctly Use Lists in R?
...een a list and vector in R:
Why do these two expressions not return the same result?
x = list(1, 2, 3, 4); x2 = list(1:4)
A list can contain any other class as each element. So you can have a list where the first element is a character vector, the second is a data frame, etc. In this case, you h...
sh: 0: getcwd() failed: No such file or directory on cited drive
...his if you've deleted the directory you were in and recreated one in the same place with the same name.
– Jackson
Nov 20 '15 at 18:45
...
Pseudo-terminal will not be allocated because stdin is not a terminal
I am trying to write a shell script that creates some directories on a remote server and then uses scp to copy files from my local machine onto the remote. Here's what I have so far:
...
