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Select Last Row in the Table
... last file inserted into my table. I know that the method first() exists and provides you with the first file in the table but I don't know how to get the last insert.
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Is there a function to deselect all text using JavaScript?
...elements. For form-fields (like textarea), this method doesn't work in IE9 and FF5.
– Šime Vidas
Jul 3 '11 at 13:37
1
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Numpy: Get random set of rows from 2D array
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>>> A = np.random.randint(5, size=(10,3))
>>> A
array([[1, 3, 0],
[3, 2, 0],
[0, 2, 1],
[1, 1, 4],
[3, 2, 2],
[0, 1, 0],
[1, 3, 1],
[0, 4, 1],
[2, 4, 2],
[3, 3, 1]])...
Protecting executable from reverse engineering?
I've been contemplating how to protect my C/C++ code from disassembly and reverse engineering. Normally I would never condone this behavior myself in my code; however the current protocol I've been working on must not ever be inspected or understandable, for the security of various people.
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How can I get the current user's username in Bash?
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On the command line, enter
whoami
or
echo "$USER"
To save these values to a variable, do
myvariable=$(whoami)
or
myvariable=$USER
Of course, you don't need to make a variable since that is what the $USER variable is for.
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How to fix homebrew permissions?
I have uninstalled and installed Homebrew 3 times now because it seems to never allow me to install anything as it denies me permissions at the end of most installations.
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When to Redis? When to MongoDB? [closed]
What I want is not a comparison between Redis and MongoDB. I know they are different; the performance and the API is totally different.
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Inserting data into a temporary table
After having created a temporary table and declaring the data types like so;
12 Answers
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trying to align html button at the center of the my page [duplicate]
... position: absolute;
top: 50%;
}
There are many ways to skin a cat, and this is just one.
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How to prove that a problem is NP complete?
...least one vertex in the cover set?) is in NP:
our input X is some graph G and some number k (this is from the problem definition)
Take our information C to be "any possible subset of vertices in graph G of size k"
Then we can write an algorithm V that, given G, k and C, will return whether that s...