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How do I find the caller of a method using stacktrace or reflection?
...han the stack trace method.
The following program tests the speed of the different suggested methods (the most interesting bit is in the inner class SecurityManagerMethod):
/**
* Test the speed of various methods for getting the caller class name
*/
public class TestGetCallerClassName {
/**
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Android - Start service on boot
...
Well here is a complete example of an AutoStart Application
AndroidManifest file
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="pack.saltriver" android:versionCode="1" android:versionName="1.0">
<uses...
Convert a string to regular expression ruby
...the work.
"/[\w\s]+/".to_regexp => /[\w\s]+/
You also can use the modifier:
'/foo/i'.to_regexp => /foo/i
Finally, you can be more lazy using :detect
'foo'.to_regexp(detect: true) #=> /foo/
'foo\b'.to_regexp(detect: true) #=> %r{foo\\b}
'/foo\b/'.to_regexp(detect: true) #...
Declare a block method parameter without using a typedef
Is it possible to specify a method block parameter in Objective-C without using a typedef? It must be, like function pointers, but I can't hit on the winning syntax without using an intermediate typedef:
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The split() method in Java does not work on a dot (.) [duplicate]
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Oh man! You saved my life. I wasted 4 hours trying to figure out why . was not working. Thanks a lot.
– attacomsian
Jul 10 '19 at 10:08
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cannot load such file — zlib even after using rvm pkg install zlib
...e trying to do something routine.
The solution is to use rvm. Use it even if you only need one version of ruby. Why? Because then you can do
rvm requirements
This will probe your particular OS and produce a set of commands you can copy back to the command line to install those missing packages.
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What does an underscore in front of an import statement mean?
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It's for importing a package solely for its side-effects.
From the Go Specification:
To import a package solely for its side-effects (initialization), use the blank identifier as explicit package name:
import _ "lib/math"
In sqlite3
In the case of go-sqlite3, the underscore import is used for the...
How to remove space between axis & area-plot in ggplot2?
...ale() function that you can pass to the expand= argument that lets you specify different expand values for each side of the scale.
As of ggplot2 version 3.3.0, expand_scale() has been deprecated in favor of expansion which otherwise functions identically.
It also lets you choose whether you want to ...
How do I interpolate strings?
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This feature is such a beautiful thing. Especially with VS2015 and the editor support so you can clearly see the interpolated strings and get intellisense. It even works with methods! $("This feature is {GetDescription(FEATURE_AMAZING))}");
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It has a DefiningQuery but no InsertFunction element… err
...hen you have a DefiningQuery the Entity becomes readonly unless you add modification functions. You need 3 modifications functions (aka Stored Procedures) one for each of Insert, Update and Delete.
But you have two options:
Change the key definion:
And convince the EF that what it thinks is a v...