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How to print colored text in Python?
...
Print a string that starts a color/style, then the string, then end the color/style change with '\x1b[0m':
print('\x1b[6;30;42m' + 'Success!' + '\x1b[0m')
Get a table of format options for shell text with following code:
def print_...
How can I find the number of arguments of a Python function?
...signature(someMethod)
Now, you can either view its parameters quickly by string it:
str(sig) # returns: '(self, arg1, kwarg1=None)'
or you can also get a mapping of attribute names to parameter objects via sig.parameters.
params = sig.parameters
print(params['kwarg1']) # prints: kwarg1=20
...
How to list files in an android directory?
...android:name="android.permission.READ_EXTERNAL_STORAGE" />
Try this:
String path = Environment.getExternalStorageDirectory().toString()+"/Pictures";
Log.d("Files", "Path: " + path);
File directory = new File(path);
File[] files = directory.listFiles();
Log.d("Files", "Size: "+ files.length);
f...
How do you install ssh-copy-id on a Mac?
I am having trouble trying to install ssh-copy-id on my Mac. I have tried to follow https://github.com/beautifulcode/ssh-copy-id-for-OSX but every time I run ssh-copy-id it gives me errors. Any ideas on how to get ssh-copy-id to install?
...
Is the C# static constructor thread safe?
... for each T.
}
}
EDIT:
Here is the demonstration:
static void Main(string[] args)
{
var obj = new Foo<object>();
var obj2 = new Foo<string>();
}
public class Foo<T>
{
static Foo()
{
System.Diagnostics.Debug.WriteLine(String.Format("Hit {0}", typeof...
How to shut down the computer from C#
...l", SetLastError=true) ]
internal static extern bool LookupPrivilegeValue( string host, string name,
ref long pluid );
[DllImport("advapi32.dll", ExactSpelling=true, SetLastError=true) ]
internal static extern bool AdjustTokenPrivileges( IntPtr htok, bool disall,
ref TokPriv1Luid newst, int len, In...
print memory address of Python variable [duplicate]
How do I print the memory address of a variable in Python 2.7?
I know id() returns the 'id' of a variable or object, but this doesn't return the expected 0x3357e182 style I was expecting to see for a memory address.
I want to do something like print &x , where x is a C++ int variable for exam...
How to get the currently logged in user's user id in Django?
How to get the currently logged-in user's id?
4 Answers
4
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How to find duplicates in 2 columns not 1
I have a MySQL database table with two columns that interest me. Individually they can each have duplicates, but they should never have a duplicate of BOTH of them having the same value.
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Insert Update stored proc on SQL Server
...re the check for existence
should only be done when there is a
very valid reason to justify the
additional I/O. The optimized way to
do things is to make sure that you
have little reads as possible on the
DB.
The best strategy is to attempt the
update. If no rows are affected by t...