大约有 15,461 项符合查询结果(耗时:0.0364秒) [XML]
How to set commands output as a variable in a batch file
... but if you want to run it from the command line yourself (for example: to test it before putting it in the batch file) then you use a single %.
– Brent Rittenhouse
Oct 22 '18 at 12:02
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How to remove \xa0 from string in Python?
...Parent, </p><p><span style="font-size: 1rem;">This is a test message, </span><span style="font-size: 1rem;">kindly ignore it. </span></p><p><span style="font-size: 1rem;">Thanks</span></p>'
So lets try to clean this HTML string:
...
Adding code to a javascript function programmatically
...pend
)
In the snippet below, you can see me using the function to extend test.prototype.doIt().
// allows you to prepend or append code to an existing function
function extender (container, funcName, prepend, append) {
(function() {
let proxied = container[funcName];
...
instantiate a class from a variable in PHP?
...
class Test {
public function yo() {
return 'yoes';
}
}
$var = 'Test';
$obj = new $var();
echo $obj->yo(); //yoes
share
|
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“static const” vs “#define” vs “enum”
...case label (while a macro will work) " ---> Regarding this statement i tested a const int variable in C in switch- case it is working ....
– john
Feb 10 '12 at 6:24
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Propagate all arguments in a bash shell script
... answered but here's a comparison between "$@" $@ "$*" and $*
Contents of test script:
# cat ./test.sh
#!/usr/bin/env bash
echo "================================="
echo "Quoted DOLLAR-AT"
for ARG in "$@"; do
echo $ARG
done
echo "================================="
echo "NOT Quoted DOLLAR-AT"...
How to fallback to local stylesheet (not script) if CDN fails
...
Not cross-browser tested but I think this will work. Will have to be after you load jquery though, or you'll have to rewrite it in plain Javascript.
<script type="text/javascript">
$.each(document.styleSheets, function(i,sheet){
if(s...
Why is using 'eval' a bad practice?
...r a legitimate use-case for using eval, one that is found even in CPython: testing.
Here's one example I found in test_unary.py where a test on whether (+|-|~)b'a' raises a TypeError:
def test_bad_types(self):
for op in '+', '-', '~':
self.assertRaises(TypeError, eval, op + "b'a'")
...
How to override the copy/deepcopy operations for a Python object?
...l the constructor of the object being copied. Consider this example. class Test1(object): def init__(self): print "%s.%s" % (self.__class.__name__, "init") class Test2(Test1): def __copy__(self): new = type(self)() return new t1 = Test1() copy.copy(t1) t2 = Test2() ...
Any reason not to start using the HTML 5 doctype? [closed]
...'s treated by browsers as HTML.
So, really it comes down to using the shortest doctype that triggers standards mode (<!DOCTYPE html>) and using HTML markup that produces the correct result in browsers.
The rest is about conforming, validation and markup prerference.
With that said, using &l...