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DataOutputStream with Socket

2022.01.17 19:18 Joe-Camel DataOutputStream with Socket

Hello everyone! I have this method, so in general it receives ip of my tablet and writes data to change LEDs. The problem is that by some reason it's not changing colors. I tested it with different tablet that has only one protocol version bellow and in docs there is no changes to that functionality, but it works. I tested try-with-resources, but still it's not changing, if I just remove close() statement and leave everything as in code sample it works properly, also in debug mode in my IDE it's working, and if I cause manually some IO Exception it works, that's why I assume that there is no problems with byte array. So my question is, what could be the problem, I'm out of ideas. Really appreciate any suggestions.
(one of my ideas was that stream is closed before it's written, but I'm not sure about this)
public void switchRoomLED(Long id, String color) { try { Socket socket = new Socket(getDevicesIps().get(id), 5000); DataOutputStream dOut = new DataOutputStream(socket.getOutputStream()); System.out.println("inside change LEDs: " + color); if (color.equals("GREEN")) { byte[] message = {(byte) 0x09, (byte) 0x01, (byte) 0x00, (byte) 0xF3, (byte) 0x01, (byte) 0x00, (byte) 0xFF, (byte) 0x00, (byte) 0x05}; // green dOut.write(message); } else if (color.equals("RED")) { byte[] message = {(byte) 0x09, (byte) 0x01, (byte) 0x00, (byte) 0xF3, (byte) 0x01, (byte) 0xFF, (byte) 0x00, (byte) 0x00, (byte) 0x05}; // red dOut.write(message); } else if (color.equals("YELLOW")) { byte[] message = {(byte) 0x09, (byte) 0x01, (byte) 0x00, (byte) 0xF3, (byte) 0x01, (byte) 0xFF, (byte) 0x80, (byte) 0x00, (byte) 0x85}; // yellow dOut.write(message); } dOut.close(); socket.close(); } catch (IOException e) { LOG.error("Connection to socket failed in switchRoomLED; room id: " + id + ", room ip:" + getDevicesIps().get(id)); } }
submitted by Joe-Camel to learnjava [link] [comments]


2022.01.17 19:18 imterrifiedoftacos M25. Fairly new to the PNW. Anyone else from here?

Recently moved here about 2000 miles away from home and WOW im shocked the culture is so much different here lol. I enjoy hiking, reading, music, concerts, traveling, trying new things, my dog, spontaneous adventures and much more! I'm an open book so if you have any questions feel free to ask.
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2022.01.17 19:18 Redditor2046 DJ Subatomic Supernova(No Straight Roads) Tier List

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2022.01.17 19:18 ZunishaOP Love

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2022.01.17 19:18 therussianconcussion Watney - a DIY open-source telepresence rover - detailed assembly instructional video included!

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2022.01.17 19:18 stallball DRUDDIGON 8307 4393 3585

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2022.01.17 19:18 OzBargainBot Wanderer Quad Fold Camp Cart Wagon $119.99 (Was $169.99) + $14.99 Delivery ($0 C&C) @ BCF (member price)

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2022.01.17 19:18 Mauser_1 Warren Buffet Advisor, have a Coke with that ?

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2022.01.17 19:18 LovingBeeKeeper Lets earn sime karma… CMON I NEED 20 FOR A COMMUNITY

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2022.01.17 19:18 Bagolyvagymi What is your favorite technique/thing to do during producing?

I personally really like the process of making chords, chord progressions
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2022.01.17 19:18 katshea1113 Apple Watch Face Shows Luanda as City

I checked location services and language and region and all are correct, but I cannot get the correct location on my Apple Watch Series 7. Each face that shows a time according to region automatically shows Luanda. Any suggestions on resetting it to my correct location outside of Language/Region and location services? TIA
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2022.01.17 19:18 QCHICK Need help choosing a second M.2 SSD for my PC

So, I'm looking to get another M.2 SSD for my PC, mostly for storing games, since Forza Horizon 5 takes up almost 50% of my 250GB SSD boot drive. That's why I'm looking for another, bigger 1TB M.2 SSD to get faster loading times all of my games. Also, most newer games recommend installing them on an SSD.
My knowledge of M.2 SSD's is kinda limited (I know the basics, but not enough to pick one myself). That's why I'd like to ask you guys to help me out.

My specs are:
ASROCK B360M PRO4
Intel Core i5 8400
16GB DDR4 RAM 2666 MHz
GTX 1060 6GB

And I currently have two storage drives:
Samsung SSD 970 EVO 250GB M.2 NVME (my Windows drive)
Toshiba P300 1TB 3.5" HDD (where I store most of my games)

So I've gone through my motherboard's manual and as I understand, I have room for a second M.2 SSD. There's basically two M.2 sockets:

Since the socket labeled as M2_2 supports only lower speeds, what M.2 drives should I be looking for? I guess it doesn't make sense to get a Gen3 x4 NVME M.2 SSD when this socket doesn't support it.
What do you guys recommend? I don't have a budget limit, just looking for best price/performance ratio.
submitted by QCHICK to buildapc [link] [comments]


2022.01.17 19:18 Routine_Ear_2483 anne açıklayabilirim

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2022.01.17 19:18 AllMyUsernamesAreBad Reddit, what are your favourite song covers?

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2022.01.17 19:18 chrisor97 [Xbox One] Electronic Arts Sims 4 Xbox One is $32.47

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2022.01.17 19:18 bonesybones12 3 for 3, each worth it and wonderful in their own way.

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2022.01.17 19:18 tassfan Arena the Contest finally going to break it out.

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2022.01.17 19:18 phatassbro Did I do this right?

Cut up the cotton into 4 somewhat even peices. Placed it into a coke bottle with some dr pepper at the bottom. I didn't fully cover the cotton peices fully, but mostly. Shook it. Now it's one big ball. A tad is sticking out the top, but it's still 98% covered.
Should I leave it for like 6 hours? Do I need to keep shaking it? I accidentally got a bit of my blood in it, is that fine?
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2022.01.17 19:18 SuperSwordGaming Been playing for just under a week, how's my team looking? Suggestions?

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2022.01.17 19:18 Saiyan_Gods Im in chapter 8 and…

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