大约有 600 项符合查询结果(耗时:0.0102秒) [XML]
How does the socket API accept() function work?
...clients, 10.0.0.1 and 10.0.0.2.
10.0.0.1 opens a connection on local port 1234 and connects to the server. Now the server has one socket identified as follows:
10.0.0.1:1234 - 192.168.1.1:80
Now 10.0.0.2 opens a connection on local port 5678 and connects to the server. Now the server has two...
Is there a standard for storing normalized phone numbers in a database?
...ferent depending on where you are dialing from. E.g. the US number 850-555-1234 has A=850 and E=555-1234, and then C=1 if dialing from US, and C=001 if dialing from UK. Point being regardless where you are dialing from, A and E are not dynamic in any way, correct?
– AaronLS
...
How to insert a character in a string at a certain position?
...but was suggested to use String for a better display output (instead of 1234.5 will be 1234.50 ). Therefore, I need a function that will take an int as parameter and return the properly formatted String with a decimal point 2 digits from the end.
...
ie8 var w= window.open() - “Message: Invalid argument.”
...
It works in IE8 with names like ImageDisplay1234 but does not work with Image-Display-1234
– boatcoder
Feb 25 '12 at 19:58
...
How do I create a constant in Python?
...ts access via __dict__:
class CONST(object):
__slots__ = ()
FOO = 1234
CONST = CONST()
# ----------
print(CONST.FOO) # 1234
CONST.FOO = 4321 # AttributeError: 'CONST' object attribute 'FOO' is read-only
CONST.__dict__['FOO'] = 4321 # AttributeError: 'CONST' object has n...
How to close this ssh tunnel? [closed]
... with &. That will give you the exact pid you need to kill:
ssh -N -L1234:other:1234 server &
pid=$!
echo "waiting a few seconds to establish tunnel..."
sleep 5
... do yer stuff... launch mysql workbench whatever
echo "killing ssh tunnel $pid"
kill $pid
Or better yet, just create this as...
Find the index of a dict within a list, by matching the dict's value
...ten in the comments; see also tokland's answer):
>>> L = [{'id':'1234','name':'Jason'},
... {'id':'2345','name':'Tom'},
... {'id':'3456','name':'Art'}]
>>> [i for i,_ in enumerate(L) if _['name'] == 'Tom'][0]
1
...
Convert php array to Javascript
... json_encode function
<?php $phpArray = array(
0 => 001-1234567,
1 => 1234567,
2 => 12345678,
3 => 12345678,
4 => 12345678,
5 => 'AP1W3242',
6 => 'AP7X1234',
7 => 'AS1234',
8 =&...
Remove insignificant trailing zeros from a number?
...ra and gary's answers:
r=(+n).toFixed(4).replace(/\.0+$/,'')
Results:
1234870.98762341: "1234870.9876"
1230009100: "1230009100"
0.0012234: "0.0012"
0.1200234: "0.12"
0.000001231: "0"
0.10001: "0.1000"
"asdf": "NaN" (so no runtime error)
The somewhat problematic case is 0.10001. I ended up usi...
What's the fastest way to convert String to Number in JavaScript?
... undefined,
"not a number",
"123.45",
"1234 error",
"2147483648",
"4999999999"
];
for (var i = 0; i < values.length; i++){
var x = values[i];
console.log(x);
console.log(" Number(x) = " + Number(x));
console.log("...
