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How do you use vim's quickfix feature?
...ean much. It means that the shown line of code must be placed in ~/.vimrc (_VIMRC on windows AFAIK) and from the next start of VIM every time the file is saved this command will be invoked. Right?
– Беров
May 28 '18 at 21:06
...
How to get first and last day of previous month (with timestamp) in SQL Server
...
@Thiru Not all SQL softwares allow for 3 arguments in the DATEDIFF() function. I know SQL Server does, but I'm not sure that MySQL does.
– daOnlyBG
May 22 '17 at 15:14
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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）...
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...
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...
How to pass prepareForSegue: an object
...is the same as this line
if ([[segue identifier] isEqualToString:@"YOUR_SEGUE_NAME_HERE"])
{
// Get reference to the destination view controller
YourViewController *vc = [segue destinationViewController];
// Pass any objects to the view controller here, like...
...
How to detect the current OS from Gradle
...defs.condition.Os
task checkWin() << {
if (Os.isFamily(Os.FAMILY_WINDOWS)) {
println "*** Windows "
}
}
I found this in the following Gradle branch, and it seems to work nicely. gradle/gradle-core/branches/RB-0.3/build.gradle
...
How do I resolve a HTTP 414 “Request URI too long” error?
...e the sanitize posted data remark) and
http://www.openjs.com/articles/ajax_xmlhttp_using_post.php
Basically, the difference is that the GET request has the url and parameters in one string and then sends null:
http.open("GET", url+"?"+params, true);
http.send(null);
whereas the POST request sen...
Set default CRAN mirror permanent in R
...?Startup:
The
path of this file is taken from the value of the R_PROFILE
environment variable (after tilde expansion). If this variable is
unset, the default is R_HOME/etc/Rprofile.site, which is used if
it exists (which it does not in a 'factory-fresh' installation)...
How to make an HTTP request + basic auth in Swift
...
go plain for SWIFT 3 and APACHE simple Auth:
func urlSession(_ session: URLSession, task: URLSessionTask,
didReceive challenge: URLAuthenticationChallenge,
completionHandler: @escaping (URLSession.AuthChallengeDisposition, URLCredential?) -> Void) {
...