大约有 48,000 项符合查询结果（耗时：0.0902秒） [XML]
How much does it cost to develop an iPhone application? [closed]
...wa) $50-150K estimate with the 22 day Obama app.
Take another hit, dude.
Now if you want to build backend services for your app, that number's going to go up even more. Everyone seems surprised that Instagram chewed through $500K in venture funding to build a new frontend and backend. I'm not.
...
How to check whether a pandas DataFrame is empty?
...
This seems like a shame, since you need to know that df is a pd.DataFrame. I'd like to know the motivation for not implementing bool() on pd.DataFrame.
– Quant
Feb 14 '14 at 16:55
...
How to remove indentation from an unordered list item?
...
Well, now that you edited your answer the bullets are maintained, but there is still the problem that <li>s with multiple text lines don't correctly indent all lines. It you keep on editing you may finally end up with my solu...
git push to specific branch
...push commands and have them do whatever you want. Which is great, if you know what you want and how to spell that in Git-Ese, but you're new to git! :-)
In your case, Petr Mensik's answer is the (well, "a") right one. Here's why:
The command git push remote roots around in your .git/config file ...
What do “branch”, “tag” and “trunk” mean in Subversion repositories?
...at and why. In many VCS, if you modify a tag, there may not be any way to know.
– David W.
Mar 1 '15 at 19:33
3
...
error: ‘NULL’ was not declared in this scope
...
Now that C++11 is more generally supported by compilers, it might be worth mentioning the nullptr keyword, which is an actual keyword and doesn't require any #includes. It's also more typesafe than NULL.
...
What does “./bin/www” do in Express 4.x?
...
Because the app.js file that was generated by the Express 4 generator is now a Node.js module, it can no longer be started independently as an app (unless you modify the code). The module must be loaded in a Node.js file and started via the Node.js file. The Node.js file is ./bin/www in this case....
How big can a user agent string get?
... I'm less concerned with server limits since I am on IIS, I know it won't ever be bigger then their limit which is still preety large if memory serves....
– JoshBerke
Mar 17 '09 at 18:42
...
How fast is D compared to C++?
... @CyberShadow Thanks! With these flags runtime improves considerably. Now D is at 12.9 s. But still runs more than 3 times as long. @Matthieu M. I would not mind to test a program with boundschecking in slow motion and once it is debugged let it do its computations without boundschecking. (I do...
Why does InetAddress.isReachable return false, when I can ping the IP address?
...am getting failed and using ping I am getting icmp not permitted ? Do you know how to deal with it now ?
– Yuvi
Jan 7 '13 at 8:58
6
...