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Worst security hole you've seen? [closed]
...nter2, it shows to us as *******
<AzureDiamond> thats neat, I didnt know IRC did that
<Cthon98> yep, no matter how many times you type hunter2, it will show to us as *******
<AzureDiamond> awesome!
<AzureDiamond> wait, how do you know my pw?
<Cthon98> er, I just copy pa...
Insert a row to pandas dataframe
...
A B C
0 NaN NaN NaN
1 5 6 7
2 7 8 9
But now you can easily insert the row as follows. Since the space was preallocated, this is more efficient.
>>> df2.loc[0] = np.array([2, 3, 4])
>>> df2
Out[341]:
A B C
0 2 3 4
1 5 6 7
2 7 8 9
...
What's the difference between Unicode and UTF-8? [duplicate]
... 2, 3, 4 like this:
00000001 00000010 00000011 00000100
Our data is now translated into binary and can now be saved to
disk.
All together now
Say an application reads the following from the disk:
1101000 1100101 1101100 1101100 1101111
The app knows this data represent a Un...
Should I pass a shared_ptr by reference? [duplicate]
...per with value semantics via RSF w = std::ref(p);. So much for the setup.
Now, everybody knows that containers of pointers are minefield. So std::vector<Foo*> will be a nightmare to maintain, and any number of bugs arise from improper lifetime management. What's worse conceptually is that it ...
Postgresql: password authentication failed for user “postgres”
... user as "postgres" and password "postgres", because it worked before. But now authentication is failed. I did it before a couple of times without this problem. What should I do? And what happens?
...
How can I find the last element in a List?
... the list is empty. So if you get 0 back from a List<int> you won't know if the list was empty or the last value was 0. In short, you need to check the Count whichever retrieval mechanism you decide to use.
– 0b101010
Nov 7 '14 at 16:23
...
Remove the last character in a string in T-SQL?
... substring syntax is as follows: SUBSTRING ( expression ,start , length ). Now, both queries return the same because the numbering is 1 based, meaning that the first character in the expression is 1. If start is less than 1, the returned expression will begin at the first character that is specified...
Start / Stop a Windows Service from a non-Administrator user account
...pping a Windows Service from a non-Admin user account, if anyone needs to know.
Primarily, there are two ways in which to Start / Stop a Windows Service.
1. Directly accessing the service through logon Windows user account.
2. Accessing the service through IIS using Network Service account....
The cast to value type 'Int32' failed because the materialized value is null
...
Finally got around to test this and adjusted it, so now the second version works too.
– Anders Abel
Jun 11 '12 at 21:07
1
...
Convert a 1D array to a 2D array in numpy
...
Can you explain how your answer now is different from the previous and also the other answers above, that also uses np.reshape?
– StupidWolf
Nov 25 '19 at 16:24
...