大约有 40,000 项符合查询结果（耗时：0.0542秒） [XML]
From io.Reader to string in Go
...ecause the fmt implementation will internally convert []byte to string. In order to avoid this conversion, you can implement the fmt.Formatter interface for a type like type ByteSlice []byte.
share
|
...
Search and replace in Vim across all the project files
...
I've decided to use ack and Perl to solve this problem in order to take advantage of the more powerful full Perl regular expressions rather than the GNU subset.
ack -l 'pattern' | xargs perl -pi -E 's/pattern/replacement/g'
Explanation
ack
ack is an awesome command line tool th...
Exploring Docker container's file system
...container is in the data folder of docker, normally in /var/lib/docker. In order to start and inspect a running containers file system do the following:
hash=$(docker run busybox)
cd /var/lib/docker/aufs/mnt/$hash
And now the current working directory is the root of the container.
...
Using [UIColor colorWithRed:green:blue:alpha:] doesn't work with UITableView seperatorColor?
..., the same works for hex values. as sometimes we get the colors as hex, in order to not calculate them by hand we can use: for example for #C94557 it would be: [UIColor colorWithRed:(CGFloat)0xC9/0xFF green:(CGFloat)0x45/0xFF blue:(CGFloat)0x57/0xFF alpha:1.0];
– memical
...
Xcode Simulator: how to remove older unneeded devices?
... path /Library/Developer/CoreSimulator/Profiles/Runtimes. Restart Xcode in order to take effect (may not be needed).
share
|
improve this answer
|
follow
|
...
C++11 emplace_back on vector?
... emplace syntax for free (among other things -- you also get lexicographic ordering). You lose member names, but sometimes it's less bother creating accessors than all the rest of the boilerplate you would otherwise need. I agree that Jerry Coffin's answer is much better than the accepted one. I als...
XPath OR operator for different nodes
...r. It creates a nodeset from specified paths, and does not guarantee nodes order. If node with specified path does not exists, it's simply missing in a nodeset. Then, "[1]" construct get first node from a nodeset.
– azurkin
Jul 11 '18 at 10:37
...
Uncaught SyntaxError: Unexpected token :
...g off the JSON.
I found that out by just doing a console.log(response) in order to see what was actually being sent. If it's an issue with the JSON data, just try to see if you can do a console.log or some other statement that will allow you to see what is sent and what is received.
...
Why should I prefer to use member initialization lists?
...not mentioned in answers here is initialization of base class.
As per the order of construction, base class should be constructed before child class. Without constructor initializer list, this is possible if your base class has default constructor which will be called just before entering the const...
Using Font Awesome icon for bullet points, with a single list item element
...ttp://fortawesome.github.com/Font-Awesome/ ) icon as a bullet point for unordered lists in a CMS.
7 Answers
...