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What does the [Flags] Enum Attribute mean in C#?
...m will not work as one might expect in bitwise operations, because by default the values start with 0 and increment.
Incorrect declaration:
[Flags]
public enum MyColors
{
Yellow, // 0
Green, // 1
Red, // 2
Blue // 3
}
The values, if declared this way, will be Yellow =...
Setting Icon for wpf application (VS 08)
...he vshost.exe version of your build (to aid debugging) which uses the default application icon and NOT the icon set in the applications tab, as this is set for yourapplication.exe
– VisualBean
Mar 6 '15 at 11:04
...
cannot load such file — bundler/setup (LoadError)
...y/gems/1.8
You might also try using the Ruby Version Manager to handle multiple Ruby envs.
Some things I found in Google:
New to Ruby and am having trouble with LOAD_PATH
http://weblog.rubyonrails.org/2009/9/1/gem-packaging-best-practices/
http://guides.rubygems.org/faqs/
...
Change Oracle port from port 8080
...rights reserved.
SQL> connect
Enter user-name: system
Enter password: <enter password if will not be visible>
Connected.
SQL> Exec DBMS_XDB.SETHTTPPORT(3010); [Assuming you want to have HTTP going to this port]
PL/SQL procedure successfully completed.
SQL>quit
then open brow...
Set database from SINGLE USER mode to MULTI USER
...help with setting a database that was restored in SINGLE_USER mode to MULTI_USER . Every time I run
20 Answers
...
Convert two lists into a dictionary
...: v for k, v in zip(keys, values)}
Choose this when you need to map or filter based on the keys or value.
In Python 2, zip returns a list, to avoid creating an unnecessary list, use izip instead (aliased to zip can reduce code changes when you move to Python 3).
from itertools import izip as zip...
Java: difference between strong/soft/weak/phantom reference
...ce Object
StringBuilder builder = new StringBuilder();
This is the default type/class of Reference Object, if not differently specified: builder is a strong Reference Object. This kind of reference makes the referenced object not eligible for GC. That is, whenever an object is referenced by a cha...
How to access java-classes in the default-package?
...eated with groovy. It seems, that this object has to be placed in the default-package.
5 Answers
...
Requests — how to tell if you're getting a 404
...;>> r.raise_for_status()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "requests/models.py", line 664, in raise_for_status
raise http_error
requests.exceptions.HTTPError: 404 Client Error: NOT FOUND
>>> r = requests.get('http://httpbin...
Clear Application's Data Programmatically
...in new applications:
import android.os.Build.*;
if (VERSION_CODES.KITKAT <= VERSION.SDK_INT) {
((ActivityManager)context.getSystemService(ACTIVITY_SERVICE))
.clearApplicationUserData(); // note: it has a return value!
} else {
// use old hacky way, which can be removed
//...