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Commenting multiple lines in DOS batch file
...ing GOTO, you can use Notepad++ to do this easily following these steps:
Select the block of lines
hit Ctrl-Q
Repeat steps to uncomment
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Why does the expression 0 < 0 == 0 return False in Python?
...uccess')[result_code == 0], before this I had never seen a boolean used to select an item in a list/tuple.
– Andrew Clark
May 20 '11 at 16:24
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How to disassemble one single function using objdump?
...g=1;next}/^[[:xdigit:]]+ <.*>:$/{flag=0}flag'
adapted from: How to select lines between two marker patterns which may occur multiple times with awk/sed
Mailing list replies
There is a 2010 thread on the mailing list which says it is not possible: https://sourceware.org/ml/binutils/2010-04/...
Remove unwanted parts from strings in a column
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A very simple method would be to use the extract method to select all the digits. Simply supply it the regular expression '\d+' which extracts any number of digits.
df['result'] = df.result.str.extract(r'(\d+)', expand=True).astype(int)
df
time result
1 09:00 52
2 10:00...
What is the “right” way to iterate through an array in Ruby?
... way to iterate, useful when you want to transform one array into another.
select is the iterator to use when you want to choose a subset.
inject is useful for generating sums or products, or collecting a single result.
It may seem like a lot to remember, but don't worry, you can get by without k...
Create a shortcut on Desktop
...f a solution works for you, it is customary to upvote it. Also, you should select the best solution and accept it as the answer to your problem.
– Thorarin
Feb 8 '11 at 10:46
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Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
...sing Firefox. You can export it by hitting the URL in the browser and then select the option to export the certificate. Let's assume the cert file name is your.ssl.server.name.crt
Go to your JRE_HOME/bin or JDK/JRE/bin
Type the command
keytool -keystore ..\lib\security\cacerts -import -alias your.s...
Why should weights of Neural Networks be initialized to random numbers? [closed]
...imization algorithms such as stochastic gradient descent use randomness in selecting a starting point for the search and in the progression of the search.
The progression of the search or learning of a neural network is known as convergence. Discovering a sub-optimal solution or local optima result ...
JavaScript: Check if mouse button down?
...semove='handleMove(this);'>Click and drag me!</div>
The :active selector handles the mouse click much better than mouse up/down, you just need a way of reading that state in the onmousemove event. For that I needed to cheat and relied on the fact that the default cursor is "auto" and I ju...
Why should I care that Java doesn't have reified generics?
... There is absolutely no need for reification to be able to do that. Method selection is done at compile time when the compile-time type information is available.
– Tom Hawtin - tackline
Dec 18 '09 at 13:25
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