大约有 2,230 项符合查询结果（耗时：0.0153秒） [XML]
Update a record without first querying?
...teStoreCommand
("UPDATE items SET itemstatus = 'some status' WHERE id = 123 ");
For performance reasons, you may want to pass in variables instead of a single hard coded SQL string. This will allow SQL Server to cache the query and reuse with parameters. Example:
dataEntity.ExecuteStoreComma...
How to check if a string contains only digits in Java [duplicate]
... all be "true"
System.out.println("1".matches(regex));
System.out.println("12345".matches(regex));
System.out.println("123456789".matches(regex));
// negative test cases, should all be "false"
System.out.println("".matches(regex));
System.out.println("foo".matches(regex));
System.out.println("aa123...
RegEx to extract all matches from string using RegExp.exec
...s:
var re = /\s*([^[:]+):\"([^"]+)"/g;
var s = '[description:"aoeu" uuid:"123sth"]';
var m;
do {
m = re.exec(s);
if (m) {
console.log(m[1], m[2]);
}
} while (m);
Try it with this JSFiddle: https://jsfiddle.net/7yS2V/
...
What should be in my .gitignore for an Android Studio project?
...ited Nov 28 '15 at 21:12
hichris123
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answered Jan 10 '14 at 16:23
...
How to send a header using a HTTP request through a curl call?
...move multi-
ple headers.
Example:
curl --header "X-MyHeader: 123" www.google.com
You can see the request that curl sent by adding the -v option.
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Unix command to find lines common in two files
...)-release
Copyright (C) 2007 Free Software Foundation, Inc.
$ cat > abc
123
567
132
$ cat > def
132
777
321
So the files abc and def have one line in common, the one with "132".
Using comm on unsorted files:
$ comm abc def
123
132
567
132
777
321
$ comm -12 abc def # No output! ...
How to remove EXIF data without recompressing the JPEG?
...e is doing other transformations with the file. Also note that "-thumbnail 123x456" is ALMOST equivalent to "-strip -resize 123x456".
– Denilson Sá Maia
Apr 17 '10 at 2:08
17
...
Is it worth using Python's re.compile?
...
dF.dF.
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5
...
What is the difference between self::$bar and static::$bar in PHP?
...which may not be what you intend:
class Foo
{
protected static $bar = 1234;
}
class Bar extends Foo
{
protected static $bar = 4321;
}
When you call a method via static, you're invoking a feature called late static bindings (introduced in PHP 5.3).
In the above scenario, using self will ...
What exactly is RESTful programming?
...hn&lname=Doe&age=25
The server responds:
200 OK
Location: /user/123
In the future, you can then retrieve the user information:
GET /user/123
The server responds:
200 OK
<fname>John</fname><lname>Doe</lname><age>25</age>
To modify the record (lna...