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DateTime.ToString() format that can be used in a filename or extension?
I want to add a timestamp to filenames as files are created but most of the DateTime methods I've tried output something with spaces and slashes. For instance:
...
Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
... module VarDump
class << self
def dump(dump_object, file_path)
File.open file_path, "a+" do |log_file|
current_date = Time.new.to_s + "\n" + YAML::dump(dump_object) + "\n"
log_file.puts current_date
log_file.close
end
...
How to repeat last command in python interpreter shell?
...he following to enable history on python shell.
This is my .pythonstartup file . PYTHONSTARTUP environment variable is set to this file path.
# python startup file
import readline
import rlcompleter
import atexit
import os
# tab completion
readline.parse_and_bind('tab: complete')
# history ...
What are commit-ish and tree-ish in Git?
...t refers to a (sub)directory, but it
can also be used to identify specific files. When it refers to files, I'm not
sure if it's still considered "tree-ish", or if acts more like "blob-ish" (Git
refers to files as "blobs").
The Long Answer
Commits and Directory Trees in Git
At its lowest levels, G...
Why is Android Studio reporting “URI is not registered”? [closed]
...lt into it. Having now created a default new project, I added a new layout file and wanted to change the existing default 'hello world' example layout, and I got an "URI is not registered" error on the following lines:
...
Most used parts of Boost [closed]
...
My faves are, in no particular order:
regex
filesystem
thread
lexical_cast
program_options (just brilliant!)
test (for all my unit testing needs).
String algorithms
String tokenizer
format (type-safe printf style string formatting)
smart ptrs
Boost was a massive help...
How to detect Adblock on my website?
...ning the word "ads" or "prebid". So this is what I did:
I added a small js file to my webroot with the name prebid-ads.js
Update 2020-07-27: you might want to call the file prebid-ads.js or something, because uBlock Origin does not block files with name like ads.js anymore.
This is the only line of ...
Resource interpreted as Script but transferred with MIME type text/plain - for local file
...ME type text/plain" warning in Google Chrome when including a local script file.
3 Answers
...
Redis: Show database size/size for keys
...about memory size! It is the size an objects would take when save to a RDB file on disk. Check the source code: github.com/antirez/redis/blob/… and github.com/antirez/redis/blob/…
– Hugo Tavares
Jul 5 '15 at 17:01
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Undefined symbols for architecture i386: _OBJC_CLASS_$_SKPSMTPMessage", referenced from: error
...
You can get this type of error if your class' .m file is not listed under the "Compile Sources" step of the "Build Phases" tab of your target. Normally Xcode does this for you, but sometimes it loses the plot and you need to add the .m file manually.
To do this:
TargetSet...