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How to prevent browser page caching in Rails
...se.headers["Pragma"] = "no-cache"
response.headers["Expires"] = "Mon, 01 Jan 1990 00:00:00 GMT"
end
end
Rails 4 and older versions:
class ApplicationController < ActionController::Base
before_filter :set_cache_headers
private
def set_cache_headers
response.headers["Cache-Con...
Print array elements on separate lines in Bash?
...arate argument, while "$*"
expands to the args merged into one argument: "$1c$2c..." (where c is
the first char of IFS).
You almost always want "$@". Same goes for "${arr[@]}".
Always quote them!
share
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How to create a custom string representation for a class object?
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edited Sep 6 at 11:51
Tomerikoo
7,22755 gold badges1818 silver badges3131 bronze badges
answer...
How to stop text from taking up more than 1 line?
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edited Jan 20 '18 at 21:02
diralik
2,86222 gold badges1313 silver badges3838 bronze badges
an...
Javadoc: package.html or package-info.java
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1 Answer
1
Active
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How can I add a third button to an Android Alert Dialog?
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137
This code snippet should help explain the three different buttons you can use:
alertDialo...
Get ffmpeg information in friendly way
...Windows Media Video 9",
"codec_type": "video",
"codec_time_base": "1/1000",
"codec_tag_string": "WMV3",
"codec_tag": "0x33564d57",
"width": 320,
"height": 240,
"has_b_frames": 0,
"pix_fmt": "yuv420p",
"level": -99,
"r_frame_rate": "30000/1001",
"avg_frame_...
Why does one hot encoding improve machine learning performance?
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261
Many learning algorithms either learn a single weight per feature, or they use distances between...
Bash: If/Else statement in one line
...e it is called some_process ) is running on a server. If it is, then echo 1, otherwise echo 0.
5 Answers
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Need for predictable random generator
... a player has 20% chance to get a critical hit with his sword. That means, 1 out of 5 hits should be critical. The problem is I got very bad real life results — sometimes players get 3 crits in 5 hits, sometimes none in 15 hits. Battles are rather short (3-10 hits) so it's important to get good ra...