大约有 15,600 项符合查询结果（耗时：0.0242秒） [XML]
Can I use git diff on untracked files?
...ince I really only use it interactively, I'm OK with a hack:
d() {
if test "$#" = 0; then
(
git diff --color
git ls-files --others --exclude-standard |
while read -r i; do git diff --color -- /dev/null "$i"; done
) | `git config --get core...
How to create module-wide variables in Python? [duplicate]
..._ # add this line!
if __DBNAME__ is None: # see notes below; explicit test for None
__DBNAME__ = name
else:
raise RuntimeError("Database name has already been set.")
By the way, for this example, the simple if not __DBNAME__ test is adequate, because any string value other...
Convert string in base64 to image and save on filesystem in Python
... @Oleg Tarasenko, I had a typo in the second method. I fiexed it and tested it on your string and it works.
– John La Rooy
Feb 25 '10 at 21:13
...
Generate an integer that is not among four billion given ones
...I used it in my own answer) but it's not obvious to everybody. It's a good test to see if you can spot obvious solutions or if you're going to over-complicate everything you touch.
– Mark Ransom
Aug 23 '11 at 17:00
...
How to allow only one radio button to be checked?
... for all the radio buttons in a form.
i.e.,
<input type="radio" name="test" value="value1"> Value 1
<input type="radio" name="test" value="value2"> Value 2
<input type="radio" name="test" value="value3"> Value 3
Hope that would help.
...
How to detect if a function is called as constructor?
...s made available to the executing code, so the only thing it's possible to test inside x is the this value, which is what all the answers here are doing. As you've observed, a new instance of* x when calling x as a constructor is indistinguishable from a pre-existing instance of x passed as this whe...
Avoiding if statement inside a for loop?
...rry about in terms of performance
In this case I advocate for keeping the test inside the loop for clarity.
share
|
improve this answer
|
follow
|
...
What is the opposite of evt.preventDefault();
...ementById("foo").onsubmit = function(e) {
if (document.getElementById("test").value == "test") {
return true;
} else {
e.preventDefault();
}
}
<form id="foo">
<input id="test"/>
<input type="submit"/>
</form>
...unless I'm missing someth...
Undefined reference to pthread_create in Linux
...sing the following command (suppose the c file I want to compile is called test.c):
gcc -o test test.c -pthread
Hope it helps somebody!
share
|
improve this answer
|
follo...
Does a method's signature in Java include its return type?
...el, "return type" is part of method signature. Consider this
public class Test1 {
public Test1 clone() throws CloneNotSupportedException {
return (Test1) super.clone();
}
}
in bytecode there are 2 clone() methods
public clone()LTest1; throws java/lang/CloneNotSupportedException...