大约有 40,000 项符合查询结果（耗时：0.0531秒） [XML]
module.exports vs exports in Node.js
...:
var x = require('file1.js');
contents of file1.js:
module.exports = '123';
When the above statement is executed, a Module object is created. Its constructor function is:
function Module(id, parent) {
this.id = id;
this.exports = {};
this.parent = parent;
if (parent &&...
What's the difference between Task.Start/Wait and Async/Await?
...Thread.Sleep(1000);
WriteOutput("B - Completed something");
return 123;
}
static void WriteOutput(string message)
{
Console.WriteLine("[{0}] {1}", Thread.CurrentThread.ManagedThreadId, message);
}
DoAsTask Output:
[1] Program Begin
[1] 1 - Starting
[1] 2 - Task started
[3] A - Start...
jQuery deferreds and promises - .then() vs .done()
...tion (x) { // Suppose promise returns "abc"
console.log(x);
return 123;
}).then(function (x){
console.log(x);
}).then(function (x){
console.log(x)
})
The following results will get logged:
abc
123
undefined
While
promise.done(function (x) { // Suppose promise returns "abc"
...
Jackson and generic type reference
...miter("\\A").next(); // Read the entire file
}
}
Output
Station [id=123, title=my title, name=my name]
Station [id=456, title=my title 2, name=my name 2]
[{"id":123,"title":"my title","name":"my name"},{"id":456,"title":"my title 2","name":"my name 2"}]
JsonMarshallerUnmarshaller.java
impo...
Datatype for storing ip address in SQL Server
...RBINARY(4))) IPv4,
-- dbo.varbinaryToIpString(CAST(0x20010DB885A3000000008A2E03707334 AS VARBINARY(16))) IPv6
--ALTER
CREATE
FUNCTION dbo.varbinaryToIpString
(
@varbinaryValue VARBINARY(16)
)
RETURNS VARCHAR(39)
AS
BEGIN
IF @varbinaryValue IS NULL
RETURN NULL
IF DATALENGTH(@va...
How to filter by IP address in Wireshark?
...can also limit the filter to only part of the ip address.
E.G. To filter 123.*.*.* you can use ip.addr == 123.0.0.0/8. Similar effects can be achieved with /16 and /24.
See WireShark man pages (filters) and look for Classless InterDomain Routing (CIDR) notation.
... the number after the slash...
How do I repeat an edit on multiple lines in Vim?
... to insert something on multiple lines, use Shift-i.
So for the text:
abc123abc
def456def
ghi789ghi
if you hit Ctrl-v with your cursor over the 1, hit j twice to go down two columns, then Shift-i,ESC , your text would look like this:
abc,123abc
def,456def
ghi,789ghi
(the multi-line insert has...
Best way to pretty print a hash
...\2:"). # "foo": 1 -> foo: 1
gsub(/(^\s*)(".*?"):/, "\\1\\2 =>") # "123": 1 -> "123" => 1
{
a: 1,
"2" => 3,
"3" => nil
}
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Disabled href tag
...
You can use:
<a href="/" onclick="return false;">123n</a>
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Undo git reset --hard with uncommitted files in the staging area
...6a822927a57",
"51077d43a3ed6333c8a3616412c9b3b0fb6d4",
"56e290dc0aaa20e64702357b340d397213cb",
"5b731d988cfb24500842ec5df84d3e1950c87",
"9c438e09cf759bf84e109a2f0c18520",
...
]
from subprocess import call
filename = "file"
i = 1
for c in commits:
f = open(filename + str(...