大约有 45,000 项符合查询结果（耗时：0.0735秒） [XML]
Creating a copy of an object in C# [duplicate]
...n for .net 4.5 and ICloneable doesn't say anything about being deprecated. If it is then I'd like to use something else.
– vane
Jun 13 '14 at 15:57
12
...
How can I pretty-print JSON using node.js?
...
JSON.stringify's third parameter defines white-space insertion for pretty-printing. It can be a string or a number (number of spaces). Node can write to your filesystem with fs. Example:
var fs = require('fs');
fs.writeFile('test.jso...
Rails filtering array of objects by attribute value
...es = [], []
@attachments.each do |attachment|
@logos << attachment if attachment.file_type == 'logo'
@images << attachment if attachment.file_type == 'image'
end
share
|
improve thi...
Why is “a” != “a” in C?
...
What you are comparing are the two memory addresses for the different strings, which are stored in different locations. Doing so essentially looks like this:
if(0x00403064 == 0x002D316A) // Two memory locations
{
printf("Yes, equal");
}
Use the following code to compare two stri...
How do I make class methods / properties in Swift?
...
In Swift 2.0+, you don't need the class keyword before a function or a computed type property.
– Govind Rai
Jun 24 '16 at 20:31
...
Emulating a do-while loop in Bash
...ions:
Execute your code once before the while loop
actions() {
check_if_file_present
# Do other stuff
}
actions #1st execution
while [ current_time <= $cutoff ]; do
actions # Loop execution
done
Or:
while : ; do
actions
[[ current_time <= $cutoff ]] || break
done
...
What is data oriented design?
...you might do operations that affects only part of a balls properties. E.g. if you combine the colors of all the balls in various ways, then you want your cache to only contain color information. However when all ball properties are stored in one unit you will pull in all the other properties of a ba...
iphone ios running in separate thread
...tch_get_main_queue(), ^{
// Add code here to update the UI/send notifications based on the
// results of the background processing
});
});
If you haven't done so already, check out the videos from WWDC 2010 on libdispatch/GCD/blocks.
...
JavaScript - Replace all commas in a string [duplicate]
...expressions use special characters that need to be escaped. As an example, if you need to escape a dot (.) character, you should use /\./ literal, as in the regex syntax a dot matches any single character (except line terminators).
var myStr = 'this.is.a.test';
var newStr = myStr.replace(/\./g...
How to write PNG image to string with the PIL?
...:
import io
with io.BytesIO() as output:
image.save(output, format="GIF")
contents = output.getvalue()
You have to explicitly specify the output format with the format parameter, otherwise PIL will raise an error when trying to automatically detect it.
If you loaded the image from a fil...