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How do I fix "The expression of type List needs unchecked conversion…'?
...getEntries() result to SyndEntry before adding it to your new list. Collections.checkedList does not do this checking for you—although it would have been possible to implement it to do so.
By doing your own cast up front, you're "complying with the warranty terms" of Java generics: if a ClassCas...
Set value for particular cell in pandas DataFrame using index
...h's answer, df.set_value('C', 'x', 10), is far and away faster than the options I've suggested below. However, it has been slated for deprecation.
Going forward, the recommended method is .iat/.at.
Why df.xs('C')['x']=10 does not work:
df.xs('C') by default, returns a new dataframe with a copy ...
Using wget to recursively fetch a directory with arbitrary files in it
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You have to pass the -np/--no-parent option to wget (in addition to -r/--recursive, of course), otherwise it will follow the link in the directory index on my site to the parent directory. So the command would look like this:
wget --recursive --no-parent http://ex...
How to find out which package version is loaded in R?
...n a process of figuring out how to use my university cluster. It has 2 versions of R installed. System wide R 2.11 (Debian 6.0) and R 2.14.2 in non-standard location.
...
How to check Google Play services version?
In my application, I need to check Google Play services version (which is installed in user's device). Is it possible ? And if yes, how can I do that? I searched Google but I could not find anything!
...
jQuery trigger file input
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This is due to a security restriction.
I found out that the security restriction is only when the <input type="file"/> is set to display:none; or is visbilty:hidden.
So i tried positioning it outside the viewport by setting position:absolute and top:-...
Store password in TortoiseHg
...ugh this answer is accepted as of 2017-09-15, it is not a recommended solution. You should never store your passwords in plain text. Use the mercurial_keyring extension instead. See another answer here.
You can change your push URL to https://username:password@hostname.com/repo.
This is explaine...
How to create border in UIButton?
...UIColor greenColor].CGColor;
See:
https://developer.apple.com/documentation/quartzcore/calayer#//apple_ref/occ/cl/CALayer
The CALayer in the link above allows you to set other properties like corner radius, maskToBounds etc...
Also, a good article on button fun:
https://web.archive.org/web/201...
Nginx与Lua - 更多技术 - 清泛网 - 专注C/C++及内核技术
...荐安装LuaJIT。
shell> wget http://luajit.org/download/LuaJIT-<VERSION>.tar.gz
shell> tar zxvf LuaJIT-<VERSION>.tar.gz
shell> cd LuaJIT-<VERSION>
shell> make
shell> make install
因为安装在缺省路径，所以LuaJIT对应的lib，include均在/usr/local目录里。
shell> export L...
How to calculate number of days between two given dates?
...1 = date(2008, 9, 26)
delta = d1 - d0
print(delta.days)
The relevant section of the docs:
https://docs.python.org/library/datetime.html.
See this answer for another example.
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