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random.seed(): What does it do?
...andom
random.seed(10)
for i in range(5):
print(random.randint(1, 100))
Execute the above program multiple times...
1st attempt: prints 5 random integers in the range of 1 - 100
2nd attempt: prints same 5 random numbers appeared in the above execution.
3rd attempt: same
.....So on
Ex...
What is considered a good response time for a dynamic, personalized web application? [closed]
...for response times of 20 milliseconds, while some complex pages take up to 100 milliseconds. For the most complex pages, we break the page down into smaller pieces, and use the progressive display pattern to load each section. This way, some portions load quickly, even if the page takes 1 to 2 secon...
How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited
...vant code from Lance's link on sqlteam.com:
DECLARE @EmployeeList varchar(100)
SELECT @EmployeeList = COALESCE(@EmployeeList + ', ', '') +
CAST(EmpUniqueID AS varchar(5))
FROM SalesCallsEmployees
WHERE SalCal_UniqueID = 1
...
How to group dataframe rows into list in pandas groupby?
... pd.DataFrame({'a': np.random.randint(0, 60, 600), 'b': [1, 2, 5, 5, 4, 6]*100})
def f(df):
keys, values = df.sort_values('a').values.T
ukeys, index = np.unique(keys, True)
arrays = np.split(values, index[1:])
df2 = pd.DataFrame({'a':ukeys, 'b':[list(a) for a in ...
How can I draw vertical text with CSS cross-browser?
...onent', {
renderTo: Ext.getBody(), //or whatever..
height: 100, width: 100 //ditto..
});
var text = Ext.create('Ext.draw.Component', {
type: "text",
text: "The text to draw",
rotate: {
x: 0, y: 0, degrees: 270
},
x: -50, y: ...
Understanding MongoDB BSON Document size limit
...
Nested Depth for BSON Documents:
MongoDB supports no more than 100 levels of nesting for BSON documents.
More more info vist
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Building a notification system [closed]
...about changes. So it's per-user notifications.. meaning that if there were 100 users involved, you generate 100 notifications.
╔═════════════╗ ╔═══════════════════╗ ╔════════════════...
How does database indexing work? [closed]
... 50 bytes
lastName Char(50) 50 bytes
emailAddress Char(100) 100 bytes
Note: char was used in place of varchar to allow for an accurate size on disk value.
This sample database contains five million rows and is unindexed. The performance of several queries will now be anal...
Multithreading: What is the point of more threads than cores?
...hey 'steal time from each other', but only if each individual thread needs 100% CPU. If a thread is not working 100% (as a UI thread might not be, or a thread doing a small amount of work or waiting on something else) then another thread being scheduled is actually a good situation.
It's actually ...
Arrays, heap and stack and value types
In the above code, is new int[100] generating the array on the heap? From what I've read on CLR via c#, the answer is yes. But what I can't understand, is what happens to the actual int's inside the array. As they are value types, I'd guess they'd have to be boxed, as I can, for example, pass myInte...