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JavaScript regex multiline flag doesn't work
...in JavaScript (it does as of ES2018, see below). The good news is that you can work around it by using a character class (e.g. \s) and its negation (\S) together, like this:
[\s\S]
So in your case the regex would become:
/<div class="box-content-5">[\s\S]*<h1>([^<]+?)<\/h1>/...
What is the difference between '>' and a space in CSS selectors?
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div.card > div.name matches <div class='card'>....<div class='name'>xxx</div>...</div>
but it doesn't match <div class='card'>....<div class='foo'> ... <div class='name'>xxx</div>...
Create list of single item repeated N times
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You can also write:
[e] * n
You should note that if e is for example an empty list you get a list with n references to the same list, not n independent empty lists.
Performance testing
At first glance it seems that repeat i...
Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
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Another reason for this maybe because you try to set a column to NOT NULL when it actually already has NULL values.
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Anonymous recursive PHP functions
...o pass it by reference. Be aware, that if you modify the $factorial before calling the function, the result will change as it's passed by reference.
– Marius Balčytis
Sep 13 '12 at 21:48
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What does it mean for a data structure to be “intrusive”?
... the element to the data structure changes the element.
For instance, you can build a non-intrusive binary tree, where each node have a reference to the left and right sub-trees, and a reference to the element value of that node.
Or, you can build an intrusive one where the references to those sub...
.bashrc/.profile is not loaded on new tmux session (or window) — why?
...ping . ~/.bashrc every time. Is there a way to make this happen automatically?
6 Answers
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Can an enum class be converted to the underlying type?
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I think you can use std::underlying_type to know the underlying type, and then use cast:
#include <type_traits> //for std::underlying_type
typedef std::underlying_type<my_fields>::type utype;
utype a = static_cast<utype...
Convert Go map to json
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If you had caught the error, you would have seen this:
jsonString, err := json.Marshal(datas)
fmt.Println(err)
// [] json: unsupported type: map[int]main.Foo
The thing is you cannot use integers as keys in JSON; it is forbidden. Ins...
How to copy a local Git branch to a remote repo
...y needed to create a new branch or tag in the remote repository when the local name and the remote name are different; otherwise, the ref name on its own will work.
Or, like mentioned in git tip, you can set up a "Branch’s Default Remote":
You can use git config to assign a default remote to a gi...