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BLE UUID是对的但连接闪退：java.lang.IllegalArgumentException: UUID str...
....BluetoothLEint$BLEReadOperation.run(BluetoothLEint.java:325)
at android.os.Handler.handleCallback(Handler.java:958)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loopOnce(Looper.java:224)
at android.os.Looper.loop(Looper.java:318)
at android.app.ActivityThrea...
micro:bit 连接报错 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...le.BluetoothLEintSBLEReadOperation.run(BluetoothLEint.java:325) at android.os.Handler.handleCallback(Handler.java:1013) at
android.os.Handler.dispatchMessage(Handler.java:101) at android.os.Looper.loopOnce(Looper.java:226) at android.os.Looper.loop(Looper.java:328) at android.app.ActivityThread.mai...
Best way to detect Mac OS X or Windows computers with JavaScript or jQuery
So I'm trying to move a "close" button to the left side when the user is on Mac and the right side when the user is on PC. Now I'm doing it by examining the user agent, but it can be too easily spoofed for reliable OS detection. Is there a surefire way to detect whether the OS on which the browser i...
How do I write unit tests in PHP? [closed]
...ey are, but for some reason I can't seem to figure out how exactly I'm supposed to test something. Could someone perhaps post a piece of example code and how they would test it? If it's not too much trouble :)
...
Intellij IDEA. Hide .iml files
...ndows and Linux
IntelliJ IDEA | Preferences | Editor | File Types for OS X
Then add *.iml;*.idea; in the text box in the bottom:
http://blogs.jetbrains.com/idea/2011/04/intellij-idea-does-not-show-some-files-know-the-hiding-places/
...
“Insufficient Storage Available” even there is lot of free space in device memory
The total space of my app is 10 MB, and after installation it will take less than 20 MB. In Galaxy Note I , while updating my app, it's saying "Insufficient Storage Available", where there is 214 MB of free space in device memory (internal). It happens even trying to download a new app.
...
How to place the ~/.composer/vendor/bin directory in your PATH?
I'm on Ubuntu 14.04 and I've been trying all possible methods to install Laravel to no avail. Error messages everything I try. I'm now trying the first method in the quickstart documentation, that is, via Laravel Installer, but it says to "Make sure to place the ~/.composer/vendor/bin directory in...
Are there any standard exit status codes in Linux?
...ld died with 11" */
}
How are you determining the exit status? Traditionally, the shell only stores an 8-bit return code, but sets the high bit if the process was abnormally terminated.
$ sh -c 'exit 42'; echo $?
42
$ sh -c 'kill -SEGV $$'; echo $?
Segmentation fault
139
$ expr 139 - 128
11
I...
socket.shutdown vs socket.close
...
Here's one explanation:
Once a socket is no longer required,
the calling program can discard the
socket by applying a close subroutine
to the socket descriptor. If a
reliable delivery socket has data
associated with it when a close takes
place, the system continues to attempt
da...
Linux的诞生和发展 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...个重要支柱：UNIX 操作系统、MINIX 操作系统、GNU 计划、POSIX 标准和Internet 网络。
下面主要根据这五个基本线索来追寻一下Linux 的开发历程，它的酝酿过程，最初的发展经历。首先分别介绍其中的四个基本要素(UNIX、MINIX、G...