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How to detect if CMD is running as Administrator/has elevated privileges?
...ou could use the following in Powershell if that's suitable:
$principal = new-object System.Security.Principal.WindowsPrincipal([System.Security.Principal.WindowsIdentity]::GetCurrent())
$principal.IsInRole([System.Security.Principal.WindowsBuiltInRole]::Administrator)
If not (and probably not, s...
Just disable scroll not hide it?
...ing the 'noscroll' class. Otherwise, the site will also jump pushed by the new non-scrolling scroll bar.
To keep any possible scrollTop so the entire page doesn't go back to the top (like Fabrizio's update, but you need to grab the value before adding the 'noscroll' class)
Not all browsers handle sc...
What is the easiest way to remove all packages installed by pip?
... (Note: This will overwrite requirements.txt if exist else will create the new one, also if you don't want to replace old requirements.txt then give different file name in the all following command in place requirements.txt).
pip freeze > requirements.txt
Now to remove one by one
pip uninstal...
Difference between the Apache HTTP Server and Apache Tomcat? [closed]
...
51
What do you intend by "Apache is [...] serving HTTP"? Isn't Tomcat also serving (hypertext aka) HTTP? Why can't Tomcat simply be a "mod_jav...
When would you use a WeakHashMap or a WeakReference?
...y of the first one:
Set<ListenerType> listenerSet =
Collections.newSetFromMap(new WeakHashMap<ListenerType, Boolean>());
With this listenerSet to register a new listener you just have to add it to the set, and even if it is not removed explicitly, if the listener is no longer refe...
What is the difference between LL and LR parsing?
...ol.
An LL parse is a left-to-right, leftmost derivation. That is, we consider the input symbols from the left to the right and attempt to construct a leftmost derivation. This is done by beginning at the start symbol and repeatedly expanding out the leftmost nonterminal until we arrive at the tar...
Is there a command to refresh environment variables from the command prompt in Windows?
...gt;Advanced Settings -> Environment Variables".
If you modify or add a new environment variable outside of the scope of an existing open command prompt you either need to restart the command prompt, or, manually add using SET in the existing command prompt.
The latest accepted answer shows a p...
How to set size for local image using knitr for markdown?
...
@jzadra Please create a new question with reproducible code for your issue. At the moment I cannot reproduce your issue (copied the second code snippet verbatim to an RMD file and knitted to HTML and Word).
– CL.
...
How do you properly use namespaces in C++?
... class MyClass
{
};
}
Then in code:
MyNamespace::MyClass* pClass = new MyNamespace::MyClass();
Or, if you want to always use a specific namespace, you can do this:
using namespace MyNamespace;
MyClass* pClass = new MyClass();
Edit: Following what bernhardrusch has said, I tend not to u...
How to change time and timezone in iPhone simulator?
...
@lulian just that there's a new device for telling the time, but you still have to mess around like this to test timezones. it was a throw away comment, i was getting frustrated! :)
– lewis
Apr 15 '15 at 13:29
...