大约有 13,360 项符合查询结果(耗时:0.0186秒) [XML]
Drop multiple tables in one shot in mysql
...
SET foreign_key_checks = 0;
DROP TABLE IF EXISTS a,b,c;
SET foreign_key_checks = 1;
Then you do not have to worry about dropping them in the correct order, nor whether they actually exist.
N.B. this is for MySQL only (as in the quest...
How to make a in Bootstrap look like a normal link in nav-tabs?
... not good (e.g. if you use "$link-decoration: underline !default;" in your _variables.scss). This should be probably noted by developers - perhaps this is not what they wanted to achieve. The link should be styled COMPLETELY as a button.
– Dmitry Somov
Apr 27 '...
BLE(二)信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区,...
文章源自:https://www.gandalf.site/2018/11/ble_23.html
参考低功耗蓝牙(BLE)安全初探
0x1 信道BLE的物理通道即“频道,分别是‘f=2402+k*2 MHz, k=0, … ,39’,带宽为2MHz”的40个RF Channel。
其中,有3个信道是advertising channel(广播通道)...
Can Json.NET serialize / deserialize to / from a stream?
...JSON so the client could send {"sign in":{"username":"nick"}}{"buy item":{"_id":"32321123"}} and it needs to see this as two fragments of JSON signaling an event each time it reads a fragment. In nodejs this can be done in 3 lines of code.
– Nick Sotiros
Jun 2...
Is there a method to generate a UUID with go language
...
"crypto/rand"
"fmt"
)
// Note - NOT RFC4122 compliant
func pseudo_uuid() (uuid string) {
b := make([]byte, 16)
_, err := rand.Read(b)
if err != nil {
fmt.Println("Error: ", err)
return
}
uuid = fmt.Sprintf("%X-%X-%X-%X-%X", b[0:4], b[4:6], b[6:8], b[8:...
PHP validation/regex for URL
...lieve I've run into issues, but I'm sure it's not exhaustive:
$text = preg_replace(
'#((https?|ftp)://(\S*?\.\S*?))([\s)\[\]{},;"\':<]|\.\s|$)#i',
"'<a href=\"$1\" target=\"_blank\">$3</a>$4'",
$text
);
Most of the random junk at the end is to deal with situations like http:/...
How to detect orientation change?
... the notification var in your callback,
// you can safely replace it with _
var didRotate: (Notification) -> Void = { notification in
switch UIDevice.current.orientation {
case .landscapeLeft, .landscapeRight:
print("landscape")
case .portrait, .portraitUp...
What is the purpose of XORing a register with itself? [duplicate]
...
@Gunslinger_ Writing shellcode 101 :)
– smassey
Aug 23 '13 at 11:49
...
OpenJDK availability for Windows OS [closed]
...ilds github project.
Update: OpenJDK 8 and 11 LTS binaries for Windows x86_64 can be found in ojdkbuild github project.
Disclaimer: I've built them myself.
Update (2019): OpenJDK Updates Project Builds for 8 and 11 are available now.
...
How do I sort strings alphabetically while accounting for value when a string is numeric?
... bool IsNumeric(string value)
{
return int.TryParse(value, out _);
}
/// <inheritdoc />
public int Compare(string s1, string s2)
{
const int S1GreaterThanS2 = 1;
const int S2GreaterThanS1 = -1;
var IsNumeric1 = IsNumeric(s1);
var Is...
