why printer go offline

the file:[CPP]View PlainCopy SYSTEM/CORE/INIT/DEVICES.CNBSP;NBSP; staticvoidhandle_generic_device_event ( structuevent*uevent) { if (!strncmp (Uevent->subsystem, if (!strcmp (Uevent->subsystem, "USB") { .... } } }NBSP;NBSP; By adding the following print information to the devices.c file:We found that the USB printer information is as follows:[HTML]View PlainCopy uevent->

= Musbmanager.opendevice (MUsbDevice);if (musbdeviceconnection! =NULL) {Toast.maketext (Mcontext,"Device Connected", Toast.length_short). Show (); Musbdeviceconnection.claiminterface (Usbinterface,true); New Thread (new Runnable () { @Override public void Run () { byte[] bytes = Printdata.getbytes (); int b = Musbdeviceconnection.bulktransfer (EP, Bytes, Bytes.length, 100000); LOG.I ("Return Status", "b-->" + b);}). Start (); Musbdeviceconnection.releaseinterface (Usbinterface); Break ;} }}}} e

This is a creation in Article, where the information may have evolved or changed. Original address: http://studygolang.com/articles/4768 The native test is valid Go-tour-zh is a Go language tutorial that can be viewed online or installed offline.Online Address: http://go-tour-zh.appspot.com/welcome/ The following describes the method of

the best practise for learning go language programming: However, I will not let the programmer so happy to use the Google services, the above two sites are seriously contaminated domain names, often inaccessible or very unstable. Fortunately, this tutorial provides a local offline version of the build, which can be run as a standalone Web program without Internet access. When the tutorial runs locally, it

Win8.1 unable to log on system prompts your computer to go offline how to deal with it? Recently, a netizen shicong login personal Notebook Win8.1 system, there are errors prompted "Your computer has been offline, please use the last password on this computer login." In fact, once the system is bound to Microsoft account, need to network authentication, or use th

// Bbndk.win32.qconfigmk.10.3.1.995.zip http://downloads.blackberry.com/upr/developers/update/bbndk/ndktargetrepo_10.3.1.995/packages// Bbndk.win32.samples.10.3.1.995.zip 2. Extract all the download files to the IDE root directory:3. Open the C:\Users\%USERNAME%\AppData\Local\Research in Motion\BlackBerry Native sdk\qconfig folder without creating it. Then create a new file: Qnx_blackberry_native_development_kit_10.3.1.995.xmlThe contents of the file are:XML code XML version="1.0" ?>

of operation, which means that the file is private data and can only be accessed by the app itself, in which the content of the write overwrites the contents of the original file, if you want to append the newly written content to the original file. You can use Context.mode_appendContext.mode_append: The mode checks whether the file exists, appends content to the file, or creates a new file.Context.mode_world_readable and context.mode_world_writeable are used to control whether other apps have

names of the above two websites are seriously polluted by the pleasant use of Google services, and are often inaccessible or unstable. Fortunately, this tutorial provides the construction of a local offline version. Without access to the Internet, this tutorial can run as an independent web program. When running locally, the tutorial uses the local environment to build and compile the code, which runs faster and includes some enhancements that are no

professional storage and websql convenient.Plus.io is more used for local preservation of multimedia files such as pictures.The offline use of the text list is generally 2 ways of doing it:1) Picture download does not through the IMG src, but plus.dowload download, first download the picture, save the path, then the IMG src dynamic specified file path 2) The image is downloaded using img src, and then the IMG is stored as a picture file with can

| 24 | [PNG data] 5 | 15 | 25 | [PNG data] This table is easy to query for a particular tile: for example, the query level is 8, the column number is 116, the row number is 192 of the tile data: SQLite>SELECTfromWHERE=8and=116 and=192; [PNG data] Tile_data is a binary stream file that can be easily read from the Mbtiles database, whether it's a desktop app or Android or iOS app. Here is a demo program I made with Delphi: Cita

This is a creation in Article, where the information may have evolved or changed. Atom has been used for a while, and it's good to use. To develop go, you need to install the Go-plus plugin. Not installed online successfully, had to install offline, record, maybe others need. The steps are as follows: One. Configuring the Node Environment Brew UpdateBrew Install