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Set attribute without value
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The attr() function is also a setter function. You can just pass it an empty string.
$('body').attr('data-body','');
An empty string will simply create the attribute with no value.
<body data-body>
Reference - http://api.jquery.com/attr/#attr-attributeName-valu...
Difference between fmt.Println() and println() in Go
... is to use the fmt package or something similar (log for example).
As you can see in the implementation the print(ln) functions are not designed to even remotely support a different output mode and are mainly a debug tool.
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How to create a hex dump of file containing only the hex characters without spaces in bash?
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Format strings can make hexdump behave exactly as you want it to (no whitespace at all, byte by byte):
hexdump -ve '1/1 "%.2x"'
1/1 means "each format is applied once and takes one byte", and "%.2x" is the actual format string, like in p...
Razor doesn't understand unclosed html tags
With RazorViewEngine, I can do this:
4 Answers
4
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Right query to get the current number of connections in a PostgreSQL DB
...st one would be:
SELECT sum(numbackends) FROM pg_stat_database;
In that case, I would expect that version to be slightly faster than the second one, simply because it has fewer rows to count. But you are not likely going to be able to measure a difference.
Both queries are based on exactly the s...
What does `node --harmony` do?
A node application has required me to run node with a harmony flag, like:
5 Answers
5
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.net localhost website consistently making get arterySignalR/poll?transport=longPolling&connectionTo
...iewed the default.aspx page with the Firefox browser. When I check the net calls it has made, I see it making constant calls to:
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ViewParam vs @ManagedProperty(value = “#{param.id}”)
...> for more fine-grained conversion/validation. Even a <h:message> can be attached.
Can be included as GET query string using includeViewParams attribute of <h:link> or includeViewParams=true request parameter in any URL.
Can be used on a @RequestScoped bean, but it requires the bean...
Resync git repo with new .gitignore file
...ot ignoring" is a bit extreme, but should work:
# rm all files
git rm -r --cached .
# add all files as per new .gitignore
git add .
# now, commit for new .gitignore to apply
git commit -m ".gitignore is now working"
(make sure to commit first your changes you want to keep, to avoid any incident as ...
Matplotlib (pyplot) savefig outputs blank image
... values that depend whether or not T0 exists.
Second, after plt.show() is called, a new figure is created. To deal with this, you can
Call plt.savefig('tessstttyyy.png', dpi=100) before you call plt.show()
Save the figure before you show() by calling plt.gcf() for "get current figure", then you c...