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Rails: Check output of path helper from console
...pree::Product.first), method: :get)
output
Spree::Product Load (0.4ms) SELECT "spree_products".* FROM "spree_products" WHERE "spree_products"."deleted_at" IS NULL ORDER BY "spree_products"."id" ASC LIMIT 1
=> "<a data-method=\"get\" href=\"/products/this-is-the-title\">test</a>...
Is it correct to use DIV inside FORM?
...ne .
The form will submit only its input type controls ( *also Textarea , Select , etc...).
You have nothing to worry about a div within a form.
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C# static class constructor
...y add &nbsp; and <br> for formatting. Paste your actual code and select it. And then click on {} in the stack overflow editor. It will add 4 spaces
– adiga
Apr 9 '19 at 6:54
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How does “cat
...1. Assign multi-line string to a shell variable
$ sql=$(cat <<EOF
SELECT foo, bar FROM db
WHERE foo='baz'
EOF
)
The $sql variable now holds the new-line characters too. You can verify with echo -e "$sql".
2. Pass multi-line string to a file in Bash
$ cat <<EOF > print.sh
#!/bin...
How to fully clean bin and obj folders within Visual Studio?
...rking rig that can be used from VS command prompt) - the settings lets you select a shell arrangement (from which I choose PoshGit). Using WSL is the most educational, so good call!
– Ruben Bartelink
Apr 22 '18 at 22:38
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jQuery - get a list of values of an attribute from elements of a class
... to get a list of all the different values of level on the page so I can select the highest one.
5 Answers
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string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)
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The best practice is selecting the most appropriate one.
.Net Framework 4.0 Beta 2 has a new IsNullOrWhiteSpace() method for
strings which generalizes the IsNullOrEmpty() method to also include other white
space besides empty string.
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What is the easiest way to remove the first character from a string?
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This elegant slice!(0) really should be the selected answer, as using asdf[0] = '' to remove the first character is ridiculous (just like using gsub with regex and shooting a fly with a howitzer).
– f055
Mar 15 '16 at 19:32
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How does the Windows Command Interpreter (CMD.EXE) parse scripts?
...hin %var% expansion
For a complete explanation read the first half of this from dbenham Same thread: Percent Phase
Phase 2) Process special characters, tokenize, and build a cached command block: This is a complex process that is affected by things such as quotes, special characters, token delimit...
Finding all cycles in a directed graph
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This answer is much better than the answer selected. I struggled for quite a while trying to figure out how to get all simple cycles from the strongly connected components. It turns out this is non-trivial. The paper by Johnson contains a great algorithm, but is a lit...