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When should I use nil and NULL in Objective-C?
...re more up-votes, but because it has the best explanation to the question posed.
– James Mertz
Jun 8 '12 at 3:51
5
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Jar Mismatch Found 2 versions of android-support-v4.jar in the dependency list
...the ADT plugin for Eclipse, you're doing it wrong.
Step #2: Pick one of those two versions of the JAR, or pick the one from the "extras" area of your SDK installation.
Step #3: Put the right JAR in App Library.
Step #4: Delete the one from App Free, since it will pick up that JAR from App Library...
Import Error: No module named numpy
...es it not install the proper version of numpy??
– almost a beginner
Sep 27 '16 at 10:28
23
After ...
How do I install an R package from source?
...
If you have the file locally, then use install.packages() and set the repos=NULL:
install.packages(path_to_file, repos = NULL, type="source")
Where path_to_file would represent the full path and file name:
On Windows it will look something like this: "C:\\RJSONIO_0.2-3.tar.gz".
On UNIX it w...
How do you see the entire command history in interactive Python?
I'm working on the default python interpreter on Mac OS X, and I Cmd + K (cleared) my earlier commands. I can go through them one by one using the arrow keys. But is there an option like the --history option in bash shell, which shows you all the commands you've entered so far?
...
set gvim font in .vimrc file
... following (Uses Consolas size 11 on Windows, Menlo Regular size 14 on Mac OS X and Inconsolata size 12 everywhere else):
if has("gui_running")
if has("gui_gtk2")
set guifont=Inconsolata\ 12
elseif has("gui_macvim")
set guifont=Menlo\ Regular:h14
elseif has("gui_win32")
set guifon...
How can I check which version of Angular I'm using?
... What is the location of angular.js file?
– myroslav
May 29 '17 at 20:44
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show 3 more comments
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技术和资本玩转创客圈 英特尔在中国的动作才刚刚开始 - 资讯 - 清泛网 - 专...
...资方面，英特尔将继续利用现有的天使基金、广泛的生态系统合作伙伴和风险投资合作伙伴孵化创客的新业务，加速他们的规模化发展，利用英特尔的品牌、市场推广和渠道资源，帮助产业链催化。
IDF16项目展示现场
英...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...反应具体发生了什么，如果你跟进服务你会发现，所有的操作都正常，只是在返回数据的时候发生了错误。如果你愿意，你可以用DataContractSerializer类的一些方法来将一个HomeAddress序列化并反序列化为一个Address类型，你就会看到...
Selenium: FirefoxProfile exception Can't load the profile
...
Update:
Selenium team fixed in latest version. For almost all environments the fix is:
pip install -U selenium
Unclear at which version it was fixed (apparently r13122), but certainly by 2.26.0 (current at time of update) it is fixed.
This error means that _wait_until_...