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handlerbars.js check if list is empty
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209
The "each" tag can take an "else" section too. So the simplest form is:
{{#each items}}
// re...
Converting an integer to a hexadecimal string in Ruby
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327
You can give to_s a base other than 10:
10.to_s(16) #=> "a"
Note that in ruby 2.4 FixNum...
Mounting multiple volumes on a docker container?
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272
Pass multiple -v arguments.
For instance:
docker -v /on/my/host/1:/on/the/container/1 \
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How to immediately see compile errors in project tree of IntelliJ Idea?
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As of IntelliJ 12 there's an option to automatically build your project upon source changes. In "Settings" --> Build, Execution, Deployment --> "Compiler" check the checkbox "Build project automatically". This will immediately show any...
Error: Jump to case label
...In the following code, if foo equals 1, everything is ok, but if it equals 2, we'll accidentally use the i variable which does exist but probably contains garbage.
switch(foo) {
case 1:
int i = 42; // i exists all the way to the end of the switch
dostuff(i);
break;
case 2:
dostu...
IN vs OR in the SQL WHERE Clause
...xed I got these results:
SELECT COUNT(*) FROM t_inner WHERE val IN (1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 9000);
1 row fetched in 0.0032 (1.2679 seconds)
SELECT COUNT(*) FROM t_inner WHERE val = 1000 OR val = 2000 OR val = 3000 OR val = 4000 OR val = 5000 OR val = 6000 OR val = 7000 OR v...
ActionLink htmlAttributes
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201
The problem is that your anonymous object property data-icon has an invalid name. C# propertie...
What does SQL clause “GROUP BY 1” mean?
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244
It means to group by the first column regardless of what it's called. You can do the same wit...
How to replace text between quotes in vi
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edited Feb 21 '16 at 8:09
kabirbaidhya
2,08322 gold badges2525 silver badges4545 bronze badges
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How to find the files that are created in the last hour in unix
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216
If the dir to search is srch_dir then either
$ find srch_dir -cmin -60 # change time
or
$ ...