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How to convert a negative number to positive?
How can I convert a negative number to positive in Pm>y m>thon? (m>And m> keep a positive one.)
6 Answers
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Mm>Y m>SQL Dump onlm>y m> certain rows
...te-info along with m>y m>our where clause, the new dump will recreate the table m>and m> delete the alreadm>y m> transferred data! Might be obvious but it's caught me twice now.
– georgiecasem>y m>
Oct 10 '16 at 7:00
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postgresql - add boolean column to table set default
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Note that if m>y m>our table is big this can take a long time m>and m> lock the table for the entire time. It's faster to split it into steps: add the column without a default with ALTER TABLE users ADD COLUMN priv_user BOOLEAN;, then UPDATE users SET priv_user = 'f'; m>and m> finallm>y m> if m>y m>ou need...
What is the relationship between the docker host OS m>and m> the container base image OS?
...tion... but while I have been reading everm>y m>thing docker that I can get mm>y m> hm>and m>s on I see that I can install Docker on Ubuntu 12.04 (for example) m>and m> then I can install a Fedora container or a different version of ubuntu? (there is an example where the user installed busm>y m>box in the container.)
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Prevent redirection of Xmlhttprequest
...s when sending XMLHttpRequest-s (i.e. to get the redirect status code back m>and m> hm>and m>le it mm>y m>self)?
4 Answers
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Referring to a file relative to executing script
... case, this problem has no solution. Anm>y m> approach m>y m>ou might have heard of, m>and m> anm>y m> approach that will be detailed below, has flaws m>and m> will onlm>y m> work in specific cases. First m>and m> foremost, trm>y m> to avoid the problem entirelm>y m> bm>y m> not depending on the location of m>y m>our script!
If m>y m>ou need to write a ver...
How to list all tags that contain a commit?
...earch the tree. Also, the repositorm>y m> I tried it on is so large git bailed m>and m> got SIGKILL'ed.
– atx
Oct 27 '11 at 23:00
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Inheriting constructors
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If m>y m>our compiler supports C++11 stm>and m>ard, there is a constructor inheritance using using (pun intended). For more see Wikipedia C++11 article. m>Y m>ou write:
class A
{
public:
explicit A(int x) {}
};
class B: public A
{
using A::A;
};
This i...
How do I list all loaded assemblies?
...Windows > Modules)
This gives details about each assemblm>y m>, app domain m>and m> has a few options to load sm>y m>mbols (i.e. pdb files that contain debug information).
Using Process Explorer
If m>y m>ou want an external tool m>y m>ou can use the Process Explorer (freeware, published bm>y m> Microsoft)
Click on a pr...
SQL selecting rows bm>y m> most recent date
Using the following querm>y m> m>and m> results, I'm looking for the most recent entrm>y m> where the ChargeId m>and m> ChargeTm>y m>pe are unique.
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