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How to form tuple column from two columns in Pandas
...columns df['new_col'] = list(zip(df[cols_to_keep])) but keep getting an error: Length of values does not match length of index any advice?
– seeiespi
Apr 16 '18 at 22:53
...
Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
...o:
if (argc == 2) {
if (SYMBOL_P(argv[0])) {
rb_raise(rb_eTypeError, "Symbol as array index");
}
beg = NUM2LONG(argv[0]);
len = NUM2LONG(argv[1]);
if (beg < 0) {
beg += RARRAY(ary)->len;
}
return rb_ary_subseq(ary, beg, len);
}
if you look in the ...
Difference between WebStorm and PHPStorm
..., but in reality it's great for editing but doesn't feel like it real-time-error-checks PHP as well as PHPStorm. This is just an observation, coming from a regular user of a JetBrains products.
If you're a student try taking advantage of the free license while attending school; it gives you a ch...
How can I save my secret keys and password securely in my version control system?
...s to put them under source - in a properties file of some sort. This is an error-prone process, and is especially complicated for open source apps which often have to maintain separate (and private) branches with app-specific configurations.
A better solution is to use environment variables, an...
Why is whitespace sometimes needed around metacharacters?
...run it in a shell it doesn't start a fork bomb, but it just gives a syntax error.
5 Answers
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How do I revert a Git repository to a previous commit?
...one of the commits between 0766c053..HEAD is a merge then there will be an error popping up (to do with no -m specified). This may help those encountering that: stackoverflow.com/questions/5970889/…
– timhc22
Nov 21 '14 at 11:55
...
Use RSA private key to generate public key?
... as evidently the output of that is a pem format public key. So I got this error: "Key is invalid. It must begin with 'ssh-rsa' or 'ssh-dss'. Check that you're copying the public half of the key". However ssh-keygen -y [-f input_keyfile] generates the correct format that Github takes.
...
Turn off constraints temporarily (MS SQL)
...E myUpdatedTable SET someCol = someCol, fkCol = fkCol, etc = etc
And any errors at that point will be due to failure to meet constraints.
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Are there any O(1/n) algorithms?
... You are correct. Like computers, I am occasionally subject to rounding errors :-)
– Adrian
May 26 '09 at 0:14
10
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Best way to structure a tkinter application? [closed]
...special enough to break the rules.
Although practicality beats purity.
Errors should never pass silently.
Unless explicitly silenced.
In the face of ambiguity, refuse the temptation to guess.
There should be one-- and preferably only one --obvious way to do it.
Although that way may not ...