大约有 3,300 项符合查询结果（耗时：0.0114秒） [XML]
Block Comments in Clojure
...hatever is inside a (comment ...) needs to be a proper form; e.g. (comment hello :world) is fine but (comment hello: world) yields an exception. [Edit:] It seems like I should have read the answer by Greg Hewgill before posting this comment... oh well, I'll leave it anyway in case someone does the s...
Assignment inside lambda expression in Python
...sons. For example, we will be able to write the following:
import sys
say_hello = lambda: (
message := "Hello world",
sys.stdout.write(message + "\n")
)[-1]
say_hello()
In Python 2, it was possible to perform local assignments as a side effect of list comprehensions.
import sys
say_hello...
How best to determine if an argument is not sent to the JavaScript function
... callback : function(){},
some_number : 50,
some_text : "hello world"
};
options = $.extend({}, default_options, options);
}
If you call the function then like this:
foo({timeout : 500});
The options variable would then be:
{
timeout : 500,
callback : functio...
How to grep (search) committed code in the Git history
...st b/test
index dddc242..60a8ba6 100644
--- a/test
+++ b/test
@@ -1 +1 @@
-hello hello
+hello goodbye hello
Because the number of times "hello" appears in the file is the same before and after this commit, it will not match using -Shello. However, since there was a change to a line matching hello,...
Difference between git stash pop and git stash apply
...g the difference.
Assuming we're working on master branch and have a file hello.txt that contains "Hello" string.
Let's modify the file and add " world" string to it. Now you want to move to a different branch to fix a minor bug you've just found, so you need to stash your changes:
git stash
Yo...
How to copy a dictionary and only edit the copy
...hat points to the existing dict.
my_dict1 = dict()
my_dict1["message"] = "Hello Python"
print(my_dict1) # {'message':'Hello Python'}
my_dict2 = dict(my_dict1)
print(my_dict2) # {'message':'Hello Python'}
# Made changes in my_dict1
my_dict1["name"] = "Emrit"
print(my_dict1) # {'message':'Hello...
Java: function for arrays like PHP's join()?
...ava8 it is possible to use String.join().
String.join(", ", new String[]{"Hello", "World", "!"})
Generates:
Hello, World, !
Otherwise, Apache Commons Lang has a StringUtils class which has a join function which will join arrays together to make a String.
For example:
StringUtils.join(new Str...
How to strip HTML tags from string in JavaScript? [duplicate]
...ot >, then either > or $ (the end of the line)
Examples:
'<div>Hello</div>' ==> 'Hello'
^^^^^ ^^^^^^
'Unterminated Tag <b' ==> 'Unterminated Tag '
^^
But it is not bulletproof:
'If you are < 13 you cannot register' ==> 'If you are '
...
How does the Brainfuck Hello World actually work?
Someone sent this to me and claimed it is a hello world in Brainfuck (and I hope so...)
6 Answers
...
How to replace part of string by position?
...gth to the length of the replacement string:
"0123456789".ReplaceAt(7, 5, "Hello") = "0123456Hello"
Otherwise, you can specify the amount of characters that will be removed:
"0123456789".ReplaceAt(2, 2, "Hello") = "01Hello456789"
If you specify the length to be 0, then this function acts just like...