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How to template If-Else structures in data-bound views?
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There are a couple different ways that you can handle this type of code.
with an if/ifnot combination like you are now. This works fine and is not terribly verbose.
Michael Best's switch/case binding (https://github.com/mbest/knockout-switch-case) is quite flexible and ...
In Django, how do I check if a user is in a certain group?
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then user.groups.all() returns [<Group: Editor>].
Alternatively, and more directly, you can check if a a user is in a group by:
if django_user.groups.filter(name = groupname).exists():
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Note that groupname can also be the actual Django Group object.
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Javascript reduce() on Object
...u want the result as an Object ({ value: ... }), you'll have to initialize and return the object each time:
Object.keys(o).reduce(function (previous, key) {
previous.value += o[key].value;
return previous;
}, { value: 0 });
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Variable interpolation in the shell
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What is the difference between using ${} and double quotes? Should I prefer one over the other?
– user31389
Mar 10 '18 at 10:49
3
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Find element's index in pandas Series
... answer. How can I get the index of certain element of a Series in python pandas? (first occurrence would suffice)
10 Answe...
How to correctly require a specific commit in Composer so that it would be available for dependent p
... the Gaufrette library at that hash, with a dev flag, in both your library and your application. Something like this should work in the application composer.json:
{
"name": "bar/bar-app",
"repositories": [
{
"type": "vcs",
"url": "ssh://git.example.com/foo-li...
jQuery: count number of rows in a table
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Use a selector that will select all the rows and take the length.
var rowCount = $('#myTable tr').length;
Note: this approach also counts all trs of every nested table!
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How to add include path in Qt Creator?
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If you are using qmake, the standard Qt build system, just add a line to the .pro file as documented in the qmake Variable Reference:
INCLUDEPATH += <your path>
If you are using your own build system, you create a project by selecting "Import of ...
Return positions of a regex match() in Javascript?
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if (match) {
console.log("match found at " + match.index);
}
And for multiple matches:
var re = /bar/g,
str = "foobarfoobar";
while ((match = re.exec(str)) != null) {
console.log("match found at " + match.index);
}
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Count character occurrences in a string in C++
...rns type iterator_traits<InputIt>::difference_type, which for most standard containers is std::ptrdiff_t, not std::size_t.
– Daniel Stevens
Apr 15 at 7:48
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