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Is there a way to check if WPF is currently executing in design mode or not?
...e)
{
//Add fake data for design-time only here:
//SomeStringItems = new List<string>
//{
// "Item 1",
// "Item 2",
// "Item 3"
//};
}
}
share
...
What parameters should I use in a Google Maps URL to go to a lat-lon?
...ks. Now you can open Google maps on web, Android or iOS using the same URL string in form:
https://www.google.com/maps/search/?api=1&parameters
There are several modes that you can use: search, directions, show map and show street view.
So you can use something like
https://www.google.com/m...
Changing UIButton text
...value using its own title values, so that you can set up to four different strings for the four states (normal, highlighted, selected, disabled).
Because of this feature, setting the titleLabel's text directly won't persist, and will be reset by the button when it lays out its subviews.
This is ...
Delete keychain items when an app is uninstalled
...
C# Xamarin version
const string FIRST_RUN = "hasRunBefore";
var userDefaults = NSUserDefaults.StandardUserDefaults;
if (!userDefaults.BoolForKey(FIRST_RUN))
{
//TODO: remove keychain items
userDefaults.SetBool(true, FIRST_...
How to check whether an object has certain method/property?
...hing like that :
public static bool HasMethod(this object objectToCheck, string methodName)
{
var type = objectToCheck.GetType();
return type.GetMethod(methodName) != null;
}
Edit : you can even do an extension method and use it like this
myObject.HasMethod("SomeMethod");
...
GUI-based or Web-based JSON editor that works like property explorer [closed]
...
Generally when I want to create a JSON or YAML string, I start out by building the Perl data structure, and then running a simple conversion on it. You could put a UI in front of the Perl data structure generation, e.g. a web form.
Converting a structure to JSON is very...
How to manage a redirect request after a jQuery Ajax call
...) {
if (data.redirect) {
// data.redirect contains the string URL to redirect to
window.location.href = data.redirect;
} else {
// data.form contains the HTML for the replacement form
$("#myform").replaceWith(data.form);
}
}...
grep a file, but show several surrounding lines?
I would like to grep for a string, but also show the preceding five lines and the following five lines as well as the matched line. How would I be able to do this?
...
Nginx 403 error: directory index of [folder] is forbidden
...t, including pretty ones.
try_files $uri $uri/ /index.php?$query_string;
}
# Remove trailing slash to please routing system.
if (!-d $request_filename) {
rewrite ^/(.+)/$ /$1 permanent;
}
# pass the PHP scripts to FastCGI server listening on 127.0.0.1:...
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）...