大约有 40,000 项符合查询结果(耗时:0.0702秒) [XML]
Using Case/Switch and GetType to determine the object [duplicate]
...
If I really had to switch on type of object, I'd use .ToString(). However, I would avoid it at all costs: IDictionary<Type, int> will do much better, visitor might be an overkill but otherwise it is still a perfectly fine solu...
C++ Double Address Operator? (&&)
...++11. int&& a means "a" is an r-value reference. && is normally only used to declare a parameter of a function. And it only takes a r-value expression. If you don't know what an r-value is, the simple explanation is that it doesn't have a memory address. E.g. the number 6, and charac...
Why does AngularJS include an empty option in select?
...orking with AngularJS for the last few weeks, and the one thing which is really bothering me is that even after trying all permutations or the configuration defined in the specification at http://docs.angularjs.org/api/ng.directive:select , I still get an empty option as the first child of select e...
How to get the seconds since epoch from the time + date output of gmtime()?
...If you got here because a search engine told you this is how to get the Unix timestamp, stop reading this answer. Scroll down one.
If you want to reverse time.gmtime(), you want calendar.timegm().
>>> calendar.timegm(time.gmtime())
1293581619.0
You can turn your string into a time tuple...
How to read data from a zip file without having to unzip the entire file
Is there anyway in .Net (C#) to extract data from a zip file without decompressing the complete file?
6 Answers
...
SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
...f some other process inserted in between.
– Robin Lavallée
Aug 12 at 15:31
add a comment
|
...
Check whether HTML element has scrollbars
...
If overflow is visible or hidden, there usually are no scrollbars.
– Hubert Grzeskowiak
Jul 21 '16 at 18:27
|
...
How to run the sftp command with a password from Bash script?
...
Expect is a great program to use.
On Ubuntu install it with:
sudo apt-get install expect
On a CentOS Machine install it with:
yum install expect
Lets say you want to make a connection to a sftp server and then upload a local file from your local machine to the remot...
When should I use mmap for file access?
...rovide at least two ways of accessing files. There's the standard system calls open() , read() , write() , and friends, but there's also the option of using mmap() to map the file into virtual memory.
...
How can I switch my git repository to a particular commit
...
To create a new branch (locally):
With the commit hash (or part of it)
git checkout -b new_branch 6e559cb
or to go back 4 commits from HEAD
git checkout -b new_branch HEAD~4
Once your new branch is created (locally), you might want to replicate...
