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What is the meaning of single and double underscore before an object name?
...
>>> print mc.__superprivate
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: myClass instance has no attribute '__superprivate'
>>> print mc._semiprivate
, world!
>>> print mc.__dict__
{'_MyClass__superprivate': 'Hello',...
Set Locale programmatically
...m API 24, you can now use:
configuration.setLocale(locale);
Take in consideration that the minSkdVersion for this method is API 17.
Full example code:
@SuppressWarnings("deprecation")
private void setLocale(Locale locale){
SharedPrefUtils.saveLocale(locale); // optional - Helper method to s...
Add regression line equation and R^2 on graph
...ese lines: gist.github.com/kdauria/… as you like. Then source the entire file in your script.
– kdauria
Mar 29 '16 at 6:51
1
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Catch multiple exceptions at once?
...er in this example uses more lines, try to imagine if you are dealing with file IO for example, and all you want to do is catch those exceptions and do some log messaging, but only those you expect coming from your file IO methods. Then you often have to deal with a larger number (about 5 or more) d...
Correct way to delete cookies server-side
...me cookie value with ; expires appended will not destroy the cookie.
Invalidate the cookie by setting an empty value and include an expires field as well:
Set-Cookie: token=deleted; path=/; expires=Thu, 01 Jan 1970 00:00:00 GMT
Note that you cannot force all browsers to delete a cookie. The clie...
Why is IoC / DI not common in Python?
...possible to replace implementations easily without touching all the python files. Instead of from framework.auth.user import User it might be better to write User = lookup('UserImplentation', 'framework.auth.user.User') (the 2nd parameter might be a default value) inside the framework. Then users o...
How to access property of anonymous type in C#?
...can you access its properties (they are usually created via new { @style="width: 100px", ... })?
For this slightly different scenario I want to share with you what I found out.
In the solutions below, I am assuming the following declaration for nodes:
List<object> nodes = new List<object...
Lock, mutex, semaphore… what's the difference?
... any other processes.
A mutex is the same as a lock but it can be system wide (shared by multiple processes).
A semaphore does the same as a mutex but allows x number of threads to enter, this can be used for example to limit the number of cpu, io or ram intensive tasks running at the same time.
...
Windows Forms - Enter keypress activates submit button?
...
private void textBox_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Enter)
button.PerformClick();
}
share
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Oracle find a constraint
...r indeed a primary or unique key. For example:
SQL> create table t23 (id number not null primary key)
2 /
Table created.
SQL> select constraint_name, constraint_type
2 from user_constraints
3 where table_name = 'T23'
4 /
CONSTRAINT_NAME C
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