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How do I change the UUID of a virtual disk?
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The correct command is the following one.
VBoxManage internalcommands sethduuid "/home/user/VirtualBox VMs/drupal/drupal.vhd"
The path for the virtual disk contains a space, so it must be enclosed in double quotes to avoid it is parsed as...
Android get free size of internal/external memory
...urpose :
public static boolean externalMemoryAvailable() {
return android.os.Environment.getExternalStorageState().equals(
android.os.Environment.MEDIA_MOUNTED);
}
public static String getAvailableInternalMemorySize() {
File path = Environment.getDataDirecto...
jumpserver-华为云免费堡垒机解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
jumpserver-华为云免费堡垒机解决方案一、环境CentOS 6.x x86_64 minivi etc hostsvi etc sysconfig networkservice iptables stopchkconfig iptables off关闭SELinu...一、环境
CentOS 6.x x86_64 mini
vi /etc/hosts
vi /etc/sysconfig/network
service iptables stop
chkco...
What are file descriptors, explained in simple terms?
... open a file, the operating system creates an entry to represent that file and store the information about that opened file. So if there are 100 files opened in your OS then there will be 100 entries in OS (somewhere in kernel). These entries are represented by integers like (...100, 101, 102....). ...
Change multiple files
The following command is correctly changing the contents of 2 files.
9 Answers
9
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Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using “C”
...e runs R in a docker environment (under root), try to run R with below command,
LC_ALL=C.UTF-8 R
# instead of just `R`
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Pandas: Looking up the list of sheets in an excel file
The new version of Pandas uses the following interface to load Excel files:
6 Answers
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Copying text to the clipboard using Java
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This works for me and is quite simple:
Import these:
import java.awt.datatransfer.StringSelection;
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
And then put this snippet of code wherever you'd like to alter the clipboar...
How do I terminate a thread in C++11?
...to terminate the thread correctly, or make it respond to a "terminate" command. I am interested in terminating the thread forcefully using pure C++11.
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How does Apple find dates, times and addresses in emails?
...n an email contains a date, time or location, the text becomes a hyperlink and it is possible to create an appointment or look at a map simply by tapping the link. It not only works for emails in English, but in other languages also. I love this feature and would like to understand how they do it.
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