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Can I prevent the Firefox developer tools network panel from clearing on page reload?
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And it's on central column on the top of the screen (for those who haven't an english version of the settings, in fr : "Préférence générales/activer les journaux persistants")
– pdem
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jQuery exclude elements with certain class in selector
...e two approaches, except .not() is more readable (especially when chained) and :not() is very marginally faster. See this Stack Overflow answer for more info on the differences.
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validation custom message for rails 3
... edited Mar 4 '15 at 3:20
Andrew Hendrie
5,08722 gold badges3434 silver badges6262 bronze badges
answered Mar 22 '11 at 4:33
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Twig ternary operator, Shorthand if-then-else
Does Twig support ternary (shorthand if-else) operator?
3 Answers
3
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Removing leading zeroes from a field in a SQL statement
...olution - first replace spaces with char that is unlikely to get in input, and after 0-ltrim, restore back these chars to spaces after. In the end looks quite complex :( Example: select replace(replace(ltrim(replace(replace('000309933200,00 USD', ' ', '|'),'0',' ')),' ','0'), '|', ' ') --> 30993...
How to prevent caching of my Javascript file? [duplicate]
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Add a random query string to the src
You could either do this manually by incrementing the querystring each time you make a change:
<script src="test.js?version=1"></script>
Or if you are using a server side language...
How to implement a unique index on two columns in rails
I have a table and I'm trying to add a unique index on two columns. Those columns are also indexed. So my question is if I just can remove the indexes who were just for one column or if I have to use all three indexes:
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How can I filter a Django query with a list of values?
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@OmkarDeshpande No
– DylanYoung
Nov 8 '18 at 16:47
@Dy...
How can I see the current value of my $PATH variable on OS X?
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You need to use the command echo $PATH to display the PATH variable or you can just execute set or env to display all of your environment variables.
By typing $PATH you tried to run your PATH variable contents as a command name.
Bash displayed the...
Xcode — what is $(SRCROOT)?
...ation where a.xcodeproj is.
It is simple to check, just put it in a field and Xcode gives you a tip
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