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How do PHP sessions work? (not “how are they used?”)
...is sent to the user when his session is created.
it is stored in a cookie (called, by default, PHPSESSID)
that cookie is sent by the browser to the server with each request
the server (PHP) uses that cookie, containing the session_id, to know which file corresponds to that user.
The data in the se...
Why is it said that “HTTP is a stateless protocol”?
... stackoverflow.com/a/3521393/319403 for an explanation of how sessions typically work.
– cHao
Feb 9 '16 at 1:10
12
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Android Left to Right slide animation
...ivity and inherit it in the activity you need. In Root Activity's onCreate call overridePendingTransition with desired direction. And onStart call overridePendingTransition with other direction if activity is resumed. Here I am giving full running code below.Correct me if I am wrong.
create this xm...
What is InnoDB and MyISAM in MySQL?
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So while we install MySQL do we need to specifically specify which storage engine to use as our MySQL database ?
– user130561
Sep 29 '10 at 4:52
3
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Loading existing .html file with android WebView
... made the same mistake now, twice. It's not intuitive! First make a folder called "assets" then refer to it by "android_asset" (no "s")?? It's the platform that's stupid, IMO :P
– richtaur
Jan 12 '11 at 0:49
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How can I get the SQL of a PreparedStatement?
...the logged output, for prepared statements, the bind arguments are automatically inserted into the SQL output. This greatly Improves readability and debugging for many cases." Very useful for debugging, as long as you're aware that it's not how the statement is actually being executed by the DB ser...
Nested attributes unpermitted parameters
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You need to do Person.create(person_params) or it won't call the method. Instead you'll get ActiveModel::ForbiddenAttributesError.
– andorov
Sep 25 '13 at 5:04
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Convert pandas dataframe to NumPy array
...np.nan)
# array([ 1., 2., nan])
This is called out in the docs.
If you need the dtypes...
As shown in another answer, DataFrame.to_records is a good way to do this.
df.to_records()
# rec.array([('a', -1, 4), ('b', 2, 5), ('c', 3, 6)],
# dtype=[('index'...
CSS two divs next to each other
...id="narrow">Narrow (200px)</div>
</div>
This is basically just scraping the surface of flexbox. Flexbox can do pretty amazing things.
For older browser support, you can use CSS float and a width properties to solve it.
#narrow {
float: right;
width: 200px;
bac...
How to get process ID of background process?
... interactive session, but this is posted as an answer to a question specifically about how to do this programmatically from a script.
– tripleee
Feb 10 '19 at 13:24
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