大约有 6,261 项符合查询结果（耗时：0.0257秒） [XML]
Does return stop a loop?
...inally always executes and can "override" the return in the try.
function foo() {
try {
for (var i = 0; i < 10; i++) {
if (i % 3 == 0) {
return i; // This executes once
}
}
} finally {
return 42; // But this still executes
...
Reference - What does this error mean in PHP?
...pical example of an Undefined Index notice would be (demo)
$data = array('foo' => '42', 'bar');
echo $data['spinach'];
echo $data[1];
Both spinach and 1 do not exist in the array, causing an E_NOTICE to be triggered.
The solution is to make sure the index or offset exists prior to accessing t...
error: passing xxx as 'this' argument of xxx discards qualifiers
...w. I have a coworker who refers to me as the "const-able". 8v) Change that foo obj; to const foo obj; once and see what happens. Or pass a const reference to a foo.
– Fred Larson
May 12 '11 at 5:06
...
Running shell command and capturing the output
...nt:
>>> cmd = ['awk', 'length($0) > 5']
>>> input = 'foo\nfoofoo\n'.encode('utf-8')
>>> result = subprocess.run(cmd, stdout=subprocess.PIPE, input=input)
>>> result.stdout.decode('utf-8')
'foofoo\n'
You can capture errors by passing stderr=subprocess.PIPE (c...
Why is using a wild card with a Java import statement bad?
...davetron5000 If your code contains 10+ wildcard imports, and you use class Foo, and if I read your code without using an IDE (since your argument is that I shouldn't have to use one), how will I know which package Foo came from? Sure, using an IDE, the IDE will tell me, but your entire argument is t...
Check if a key exists inside a json object
...
This code causes esLint issue: no-prototype-builtins
foo.hasOwnProperty("bar")
The suggest way here is:
Object.prototype.hasOwnProperty.call(foo, "bar");
share
|
improve thi...
How to get the position of a character in Python?
...
foo = ( [pos for pos, char in enumerate(s) if char == c]) will put the coordinates foo in a list format. I find this really helpful
– 3nrique0
Feb 24 '17 at 17:01
...
Render partial from different folder (not shared)
...static readonly string[] NEW_PARTIAL_VIEW_FORMATS = new[] {
"~/Views/Foo/{0}.cshtml",
"~/Views/Shared/Bar/{0}.cshtml"
};
public NewViewEngine() {
// Keep existing locations in sync
base.PartialViewLocationFormats = base.PartialViewLocationFormats.Union(NEW_PARTIAL_VIEW...
Pythonic way to print list items
...
To display each content, I use:
mylist = ['foo', 'bar']
indexval = 0
for i in range(len(mylist)):
print(mylist[indexval])
indexval += 1
Example of using in a function:
def showAll(listname, startat):
indexval = startat
try:
for i in range(l...
How can I pretty-print JSON using Go?
...hub.com/TylerBrock/colorjson"
)
func main() {
str := `{
"str": "foo",
"num": 100,
"bool": false,
"null": null,
"array": ["foo", "bar", "baz"],
"obj": { "a": 1, "b": 2 }
}`
var obj map[string]interface{}
json.Unmarshal([]byte(str), &obj)
...