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Remove trailing newline from the elements of a string list
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The Cito comment is actually the one that deserves the most rep. map and comprehension lists are not equivalent in OOP, because we are passe methods, not functions.
– e-satis
Oct 1 '12 at 8:22
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How to highlight a current menu item?
..., "/test/this", "/test/this/path" if you were on /test, it would highlight all of those options.
– Ben Lesh
May 29 '13 at 2:34
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Why does Javascript getYear() return 108?
...r the ECMAScript specification, getYear returns the year minus 1900, originally meant to return "98" for 1998. getYear was deprecated in ECMAScript Version 3 and replaced with getFullYear().
Internet Explorer changed getYear() to work like getFullYear() and make it Y2k-compliant, while Mozilla kept ...
Show pending migrations in rails
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This command will list all migrations with their status (UP or DOWN)
Rails 3 and 4
rake db:migrate:status
Rails 5
rake db:migrate:status
# Or
rails db:migrate:status
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How to specialize std::hash::operator() for user-defined type in unordered containers?
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You are expressly allowed and encouraged to add specializations to namespace std*. The correct (and basically only) way to add a hash function is this:
namespace std {
template <> struct hash<Foo>
{
size_t operator()(const...
Useless use of cat?
...my rationale.
I had not meant to be defensive in responding to him. After all, in my younger years, I would have written the command as grep foo file.txt | cut ... | cut ... because whenever you do the frequent single greps you learn the placement of the file argument and it is ready knowledge that...
How to call a shell script from python code?
How to call a shell script from python code?
12 Answers
12
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Fastest way to count exact number of rows in a very large table?
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with (NOLOCK) is not something that allows it to run on production, and it can lead to an inaccurate count. When you use that hint, sure it prevents locks but the side effects on a production box are that you can count rows twice in some situations or skip rows...
Can I delete a git commit but keep the changes?
... back to the commit just before your current HEAD. However, it doesn't actually change the files in your working tree. As a result, the changes that were in that commit show up as modified - its like an 'uncommit' command. In fact, I have an alias to do just that.
git config --global alias.uncommit...
What is the difference between an annotated and unannotated tag?
...you passed the -a flag for annotation and use the provided message.
Basically, it just amounts to whether you want the tag to have an annotation and some other information associated with it or not.
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