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问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 6 years ago . How to turn screensaver on (windows 7) by a code (in cmd)? 回答1: Does the following meet your requirements? start logon.scr /s As long as the .scr is on the PATH the above command should work. EDIT: I don't know if Windows 7 comes with logon.scr , make sure you're testing it with a .scr that is actually installed

问题 By default menu items become disabled when its command cannot be executed (CanExecute = false). What is the easiest way to make the menu item visible/collapsed based on the CanExecute method? 回答1: You can simply bind Visibility to IsEnabled (set to false on CanExecute == false). You still would need an IValueConverter to convert the bool to visible/collapsed. public class BooleanToCollapsedVisibilityConverter : IValueConverter { #region IValueConverter Members public object Convert(object

问题 I'd like to be able to click a textblock and have it run a Command. Is this possible? (if not do I just somehow make a tranparent button over it or something?) 回答1: You can use a InputBinding. <TextBlock Text="Hello"> <TextBlock.InputBindings> <MouseBinding Command="" MouseAction="LeftClick" /> </TextBlock.InputBindings> </TextBlock> Edit: Hyperlink is probably worth a mention too. <TextBlock><Hyperlink Command="" TextDecorations="None" Foreground="Black">Hello</Hyperlink></TextBlock> 回答2:

问题 Is there a command in the vim editor to find the .vimrc file location? 回答1: Just try doing the following: :version You will get an output which includes something like: system vimrc file: "$VIM/vimrc" user vimrc file: "$HOME/.vimrc" user exrc file: "$HOME/.exrc" system gvimrc file: "$VIM/gvimrc" user gvimrc file: "$HOME/.gvimrc" system menu file: "$VIMRUNTIME/menu.vim" As noted by Herbert in comments, this is where vim looks for vimrc s, it doesn't mean they exist. You can check the full path

问题 I want to run a java program using shell script. The java program is in p2 directory and its name is maxconnect4 and I have already compiled it, the class name is maxconnect4. I write the shell commands like this: java p2/maxconnect4 arg1 arg2 arg3 This shell command does not work. It give an error: Exception in thread "main" java.lang.NoClassDefFoundError: p2/maxconnect However, I compile the java program in this way: javac p2/*.java, and it works. 回答1: Just use java -cp p2 maxconnect4 arg1

问题 I am trying to learn bashing. I am trying to run ./test testcase the file in test case has the arguments 9 11 22 13, 32 35 32 16 on the next line and so on My program takes 4 arguments. Right now if testcase has one line of arguments i.e 3 5 6 7 it works fine, but when there is more than 2 it can't run the program properly. I know I need a while loop to read each line of the file, but I am stuck here. If someone could help me it would be greatly appreciated. Thank you in advance. I've asked

问题 This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center. Closed 6 years ago . sorry if my english is so bad. i wanna ask about executing "passwd" command from Java (i use Netbeans IDE & JSCH Library) This is my code String username

问题 I tried updating an APK using this code: Process process; process = Runtime.getRuntime().exec(new String[] {"su", "-c", "pm install -r -d"+MyApk.apk}); but it does not work. This works well when I use it with adb like: adb shell su -c pm install -r -d /system/app/Community-debug.apk It also works fine if it has to ask for user permission in order to install like using the intent method. 回答1: Your application would need to run as System user to access this level of commands. It cannot be done

问题 I tried updating an APK using this code: Process process; process = Runtime.getRuntime().exec(new String[] {"su", "-c", "pm install -r -d"+MyApk.apk}); but it does not work. This works well when I use it with adb like: adb shell su -c pm install -r -d /system/app/Community-debug.apk It also works fine if it has to ask for user permission in order to install like using the intent method. 回答1: Your application would need to run as System user to access this level of commands. It cannot be done

问题 I am trying to implement the new 'Command 2' push notification in Java and cannot have it push multiple alerts. First alert is pushed successfully. Please help if you can spot any issue on this code Apple specs https://developer.apple.com/library/ios/documentation/NetworkingInternet/Conceptual/RemoteNotificationsPG/Chapters/CommunicatingWIthAPS.html#//apple_ref/doc/uid/TP40008194-CH101-SW1 for (DeviceApps deviceApps : deviceAppsList) { outputStream.write(getByteArray(deviceApps, pushAlert));