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How to recognize USB devices in Virtualbox running on a Linux host? [closed]
...ns): sudo adduser $USER vboxusers. If you don't have a Debian-like distro, read here.
Log out and log in again
Attach to your PC the USB devices you want to be automatically mounted in the VM (virtual machine).
Open Virtualbox
Select your VM and go to "Machine" -> "Settings" -> "USB".
Check "E...
How can I check if string contains characters & whitespace, not just whitespace?
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The way I read the question, is says that /any/ whitespace is allowed, as long as the string isn't /only/ whitespace. It is silent on what to do if the string is empty, so it may be that nickf's answer is still better.
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Jackson: how to prevent field serialization
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Starting with Jackson 2.6, a property can be marked as read- or write-only. It's simpler than hacking the annotations on both accessors and keeps all the information in one place:
public class User {
@JsonProperty(access = JsonProperty.Access.WRITE_ONLY)
private String p...
How do I list all files of a directory?
...;>> ['F:\\_python\\dict.py', 'F:\\_python\\progr.txt', 'F:\\_python\\readl.py']
os.listdir() - get only txt files
arr_txt = [x for x in os.listdir() if x.endswith(".txt")]
print(arr_txt)
>>> ['work.txt', '3ebooks.txt']
Using glob to get the full path of the files
If ...
Why static classes cant implement interfaces? [duplicate]
... Actually, it's exactly that. Each sentence logically leads to the next. Read his answer again, analyse it, let it sink in ;-)
– Riegardt Steyn
Nov 15 '13 at 12:47
31
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How to set cursor position in EditText?
... I remember correctly, when an EditText requests focus, the cursor is set. Read this
– Reno
Nov 8 '11 at 6:51
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Why are #ifndef and #define used in C++ header files?
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Is Stu's comment true? I just read stackoverflow.com/questions/228783/… and now I am not so sure.
– Will
Jun 28 '17 at 8:23
add ...
What exactly is a Context in Java? [duplicate]
I Googled this and read the Java documentation, but I'm a bit confused. Can somebody please explain what a Context is in plain English?
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Declaration/definition of variables locations in ObjectiveC?
...d anymore) and to (re)declare properties. You could for instance declare a readonly property in your header.
@property (nonatomic, readonly) myReadOnlyVar;
and redeclare it in your implementation file as readwrite to be able to set it using the property syntax and not only via direct access to th...
Escape text for HTML
....HtmlEncode(unencoded) %>
you can simply do
<%: unencoded %>
read more here:
http://weblogs.asp.net/scottgu/archive/2010/04/06/new-lt-gt-syntax-for-html-encoding-output-in-asp-net-4-and-asp-net-mvc-2.aspx
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