大约有 42,000 项符合查询结果（耗时：0.0538秒） [XML]
Way to go from recursion to iteration
I've used recursion quite a lot on my many years of programming to solve simple problems, but I'm fully aware that sometimes you need iteration due to memory/speed problems.
...
Git push won't do anything (everything up-to-date)
I'm trying to update a Git repository on GitHub. I made a bunch of changes, added them, committed then attempted to do a git push . The response tells me that everything is up to date, but clearly it's not.
...
How do you version your database schema? [closed]
How do you prepare your SQL deltas? do you manually save each schema-changing SQL to a delta folder, or do you have some kind of an automated diffing process?
...
ExecuteReader requires an open and available Connection. The connection's current state is Connectin
When attempting to connect to MSSQL database via ASP.NET online, I will get the following when two or more people connect simultaneously:
...
grep using a character vector with multiple patterns
I am trying to use grep to test whether a vector of strings are present in an another vector or not, and to output the values that are present (the matching patterns).
...
View's getWidth() and getHeight() returns 0
I am creating all of the elements in my android project dynamically. I am trying to get the width and height of a button so that I can rotate that button around. I am just trying to learn how to work with the android language. However, it returns 0.
...
Something better than .NET Reflector? [closed]
I used to love .NET Reflector back in the day, but ever since Red Gate Software took over it has gone downhill dramatically. Now it forces me to update (which is absolutely ridiculous), half the time the update doesn't go smoothly, and it is increasingly hindering my productivity with each update. I...
Formatting Decimal places in R
I have a number, for example 1.128347132904321674821 that I would like to show as only two decimal places when output to screen (or written to a file). How does one do that?
...
Why is this program erroneously rejected by three C++ compilers?
I am having some difficulty compiling a C++ program that I've written.
31 Answers
31
...
Cannot push to Git repository on Bitbucket
I created a new repository and I'm running into a strange error. I've used Git before on Bitbucket but I just reformatted and now I can't seem to get Git to work. After doing a commit, I had to add my email and name to the globals, but then it committed just fine.
...