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How to quickly and conveniently disable all console.log statements in my code?
Is there any way to turn off all console.log statements in my JavaScript code, for testing purposes?
28 Answers
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input type=file show only button
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This answer is so simple and elegant and has worked for all browsers.
– Mike.C.Ford
Mar 19 '15 at 15:55
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Reverting a single file to a previous version in git [duplicate]
..., and we want to revert the file to one of the previous versions. First of all, git doesn't keep version numbers for individual files. It just tracks content - a commit is essentially a snapshot of the work tree, along with some metadata (e.g. commit message). So, we have to know which commit has th...
Most efficient way to store thousand telephone numbers
... the end to minimize the required space.
We first sort the phone numbers (all reduced to 5 decimal digits). Then we count how many phone numbers there are for which the binary number consisting of the first m bits is all 0, for how many phone numbers the first m bits are at most 0...01, for how man...
How to convert a string to lower case in Bash?
...ous ways:
POSIX standard
tr
$ echo "$a" | tr '[:upper:]' '[:lower:]'
hi all
AWK
$ echo "$a" | awk '{print tolower($0)}'
hi all
Non-POSIX
You may run into portability issues with the following examples:
Bash 4.0
$ echo "${a,,}"
hi all
sed
$ echo "$a" | sed -e 's/\(.*\)/\L\1/'
hi all
# t...
Why is using the rails default_scope often recommend against?
...to show unpublished (private) posts. So far so good.
2.1.1 :001 > Post.all
Post Load (0.2ms) SELECT "posts".* FROM "posts" WHERE "posts"."published" = 't'
Well this is pretty much what we expect. Now lets try:
2.1.1 :004 > Post.new
=> #<Post id: nil, title: nil, published: true...
How do I remove all HTML tags from a string without knowing which tags are in it?
Is there any easy way to remove all HTML tags or ANYTHING HTML related from a string?
3 Answers
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How to list the size of each file and directory and sort by descending size in Bash?
... @ErikTrautman to list the files also you need to add -a and use --all instead of --max-depth=1 like so du -a -h --all | sort -h
– Franco
Jun 14 '14 at 1:40
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Print all but the first three columns
...lt;=NF;i++)$(i-(n-1))=$i;NF=NF-(n-1);print $0}' n=4 | tr ' ' '-'
4-5-6-7
All other answers before Sep-2013 are nice but add extra spaces:
Example of answer adding extra leading spaces:
$ echo '1 2 3 4 5 6 7' |
awk '{$1=$2=$3=""}1' |
tr ' ' '-'
---4-5-6-7
Example of answer adding extra t...
Tri-state Check box in HTML?
...ment, I found a better solution:
HTML5 defines a property for checkboxes called indeterminate
See w3c reference guide. To make checkbox appear visually indeterminate set it to true:
element.indeterminate = true;
Here is Janus Troelsen's fiddle. Note, however, that:
The indeterminate state can...