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How to detect modifier key states in WPF?
...hin e.SystemKey.
A way around this, is to first fetch the 'real' key, and then do your conditional:
private void OnPreviewKeyDown(object sender, KeyEventArgs e)
{
// Fetch the real key.
var key = e.Key == Key.System ? e.SystemKey : e.Key;
if ((Keyboard.IsKeyDown(Key.LeftAlt) || Keyboa...
Could not calculate build plan: Plugin org.apache.maven.plugins:maven-resources-plugin:2.5 or one of
...nts in my local maven repository. (Default location: ~/.m2/repository) And then reran maven - same issue came up.
4. What worked for me
Automatically download & install missing plugin:
By declaring the missing plugin in the POM file build section for pluginManagement Maven will automatically r...
Ignoring SSL certificate in Apache HttpClient 4.3
...e any system resources associated with it. If the stream is already closed then invoking this method has no effect." so it is best practice to use it even if it wouldn't be needed. Also, I don't understand the comment of returning null response - of course it doesn't, if it throws an exception, it d...
How do I determine the size of my array in C?
...sizeof on an actual object when you have one, rather than on a type, since then you don't need to worry about making an error and stating the wrong type.
For instance, say you have a function that outputs some data as a stream of bytes, for instance across a network. Let's call the function send(),...
How do I execute code AFTER a form has loaded?
...wants a null reference exception it is always best to check for null first then use as needed; that alone may save you a lot of grief.
The most common reason for this type of question is when a container or custom control type attempts to access properties initialized outside of a custom class wher...
Mod of negative number is melting my brain
...
@RuudLenders: No. If x = -5 and m = 2, then r = x%m is -1, after which r+m is 1. The while loop is not needed. The point is that (as I wrote in the answer), x%m is always strictly greater than -m, so you need to add m at most once to make it positive.
...
How do I pass parameters into a PHP script through a webpage?
...as follows:
php /path/to/wwwpublic/path/to/script.php arg1 arg2
... and then accessing them in the script thusly:
<?php
// $argv[0] is '/path/to/wwwpublic/path/to/script.php'
$argument1 = $argv[1];
$argument2 = $argv[2];
?>
What you need to be doing when passing arguments through HTTP (a...
Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
...preimage for 'scripts/setup.sh'
Automatic merge failed; fix conflicts and then commit the result.
Unable to merge 'c75e92a2b3855c9e5b66f915308390d9db204aca' in submodule path 'DbConnector'
你可以进入子模块目录中然后就像平时那样修复冲突。
发布子模块改动
...
Multiple inheritance for an anonymous class
... implement 2 or more interfaces, than I think that's not possible. You can then make a private interface which combines the two. Though I cannot easily imagine why you would want an anonymous class to have that:
public class MyClass {
private interface MyInterface extends Runnable, WindowListen...
How do you get current active/default Environment profile programmatically in Spring?
...ate Environment environment;
Check if Profiles exist in Active Profiles
Then you can use getActiveProfiles() to find out if the profile exists in the list of active profiles. Here is an example that takes the String[] from getActiveProfiles(), gets a stream from that array, then uses matchers to...