monitor

How to determine in which monitor my Java app is running?

别说谁变了你拦得住时间么 提交于 2019-12-08 07:55:14
问题 I want to develop a Java app to get the screenshot of the monitor I'm running the app from, so 30 minutes ago I asked a question about how to capture the screenshots of each one of the monitor the app is running, but seems the question has been asked and answered here : java print screen two monitors Yet it only partially answered my question, since it showed me how to capture each monitor's screenshot, now my question becomes : if I have 3 monitors, when I run my Java app in each of them,

Detect changes in directory

夙愿已清 提交于 2019-12-08 05:59:46
问题 I need to monitor a folder and its subdirectories for any file manipulations (add/remove/rename). I've read about FileSystemWatcher but I'd like to monitor changes between each time the program is run or when the user presses the "check for changes" button (FSW seems more orientated to runtime detection). My first thought was to iterate through all the (sub)directories and hash each file. Then, concatenate all the hashes (which have been ordered) and hash that. When I want to check for

One lane bridge using monitor

一曲冷凌霜 提交于 2019-12-08 00:03:27
问题 In the University I'm given this canonical parallel programming problem from "Gregory R. Andrews-Foundations of Multithreaded .... programming": (though I have a newer and Russian edition of the book I found an old English variant and try to convey everything properly) I was also given task to solve this problem but with m consequently moving cars possible using semaphores To solve that task I was told by the tutor to mimic Reader's behavior from readers-writers task The One-Lane Bridge. Cars

How to determine in which monitor my Java app is running?

大兔子大兔子 提交于 2019-12-07 15:55:26
I want to develop a Java app to get the screenshot of the monitor I'm running the app from, so 30 minutes ago I asked a question about how to capture the screenshots of each one of the monitor the app is running, but seems the question has been asked and answered here : java print screen two monitors Yet it only partially answered my question, since it showed me how to capture each monitor's screenshot, now my question becomes : if I have 3 monitors, when I run my Java app in each of them, how does my app determin which monitor is it running from ? I guess maybe I can figure something out from

Android Studio - Can not open device monitor

邮差的信 提交于 2019-12-07 06:42:55
问题 I just downloaded Android Studio and it seems to import my existing Eclipse project well. However, if I try to open "Android Device Monitor" I get the message "An error has occurred" with a reference to a log file. My log file is included underneath. I am not sure why there is a reference to "Eclipse" int it? Anyhow, all in all, I have no idea where to go from here !SESSION 2015-01-05 04:00:15.329 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_25

Monitor.Pulse & Wait - Unexpected Behaviour

佐手、 提交于 2019-12-07 05:06:23
问题 http://www.codeproject.com/Articles/28785/Thread-synchronization-Wait-and-Pulse-demystified Queues: The ready queue is the collection of threads that are waiting for a particular lock. The Monitor.Wait methods introduce another queue: the waiting queue. This is required as waiting for a Pulse is distinct from waiting to acquire a lock. Like the ready queue, the waiting queue is FIFO. Recommended pattern: These queues can lead to unexpected behaviour. When a Pulse occurs, the head of the

Java threads waiting to lock object that isn't (visibly) locked

半世苍凉 提交于 2019-12-07 03:01:14
问题 Normally when I ask for a thread dump, the symptoms of a poorly performing system are easily explained; i.e. normally I would be able to see that a number of threads are clearly waiting on a monitor which has been acquired but not released by another. In this case, I have a lot of threads waiting for a monitor (0x965ad100), but none appears to have that monitor in the first place. The threads in question can be identified with this signature: waiting to lock <0x965ad100> (a uk.gov.dti.og.fox

How to turn off particular monitor with .NET?

此生再无相见时 提交于 2019-12-07 01:32:25
问题 OK, I know there are quite a few posts on this topic. However, none of them provide the solution to my issue: I don't want just to turn off my monitor(s), I wish my code to turn off a specific monitor. The URL the most people refer to, http://fci-h.blogspot.com/2007/03/turn-off-your-monitor-via-code-c.html, doesn't help here, as it turns off all the displays. So, I have my laptop screen and an additional external monitor. While I'm watching movies, I switch the display to the external monitor

How to watch file changes on Mac OSX using FSWatch?

末鹿安然 提交于 2019-12-06 23:52:37
问题 I'm trying to use fswatch to translate the following lines from a linux bash script to be able to run it on Mac OSX: inotifywait -r -m 'myfolder/' | while read MODFILE do echo "something" done Since inotifywait doesn't work on Mac OSX I want to substitute the first line for FSWatch. Although the README refers to the fswatch man page, it doesn't provide a link to it and a search around the internet doesn't get me anything. So I tried messing around a bit. I created a folder called testfswatch/

How can I force display detection in Windows?

懵懂的女人 提交于 2019-12-06 20:58:17
问题 I often boot my Windows 7 PC with the attached KVM switch focused on another computer. When I switch to the booted PC, the display resolution is wrong (and the second attached monitor is not detected). I can correct this by right-clicking the desktop, choosing Screen Resolution and clicking Detect . This makes Windows detect attached displays and adjust to the most optimal resolution. I would like to write a small utility to do this automatically. Which Win32 API call or C# object should I