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Reset keys of array elements in php?
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To reset the keys of all arrays in an array:
$arr = array_map('array_values', $arr);
In case you just want to reset first-level array keys, use array_values() without array_map.
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Convert JSON string to dict using Python
I'm a little bit confused with JSON in Python.
To me, it seems like a dictionary, and for that reason
I'm trying to do that:
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What does Maven Update Project do in Eclipse?
What does " Maven -> Update Project... " do in Eclipse?
3 Answers
3
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How to create named and latest tag in Docker?
Supposed I have an image that I want to tag as 0.10.24 (in my case it's an image containing Node.js 0.10.24). I built that image using a Dockerfile and executing docker build and by providing a tag using the -t parameter.
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How to extract the substring between two markers?
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Using regular expressions - documentation for further reference
import re
text = 'gfgfdAAA1234ZZZuijjk'
m = re.search('AAA(.+?)ZZZ', text)
if m:
found = m.group(1)
# found: 1234
or:
import re
text = 'gfgfdAAA1234ZZZuijjk'
try:
found = re.se...
Rolling back a remote Git repository
I have a remote Git repository, and I need to roll back the last n commits into cold oblivion.
4 Answers
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In C++, if throw is an expression, what is its type?
I picked this up in one of my brief forays to reddit:
4 Answers
4
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The role of #ifdef and #ifndef
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Text inside an ifdef/endif or ifndef/endif pair will be left in or removed by the pre-processor depending on the condition. ifdef means "if the following is defined" while ifndef means "if the following is not defined".
So:
#define one 0
#ifdef one
printf("one is defined ");
#endif
#ifnd...
Where should Rails 3 custom validators be stored?
I've seen docs/websites show that custom validators should go in a /lib or /lib/validators directory of a project. I've found (by reading an answer to another post) that they only seem to work in config/initializers . Does anyone know, or have a pointer to official documentation that shows wher...
What is the difference between Directory.EnumerateFiles vs Directory.GetFiles?
What is the difference between Directory.EnumerateFiles vs GetFiles ?
3 Answers
3
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