大约有 46,000 项符合查询结果(耗时:0.0636秒) [XML]
Does “\d” in regex mean a digit?
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@FarazAhmad, probably not, you have to specify all characters separately
– Kirill Polishchuk
Dec 28 '17 at 23:26
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How do you get assembler output from C/C++ source in gcc?
...ode will be.
– Peter Cordes
Jul 25 '16 at 0:23
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Check OS version in Swift?
... Nicolas Miari
14.6k66 gold badges6767 silver badges164164 bronze badges
answered Jul 1 '14 at 8:40
mihomiho
10.2k66 gold badges35...
Perform .join on value in array of objects
...Array.prototype.map is what you're looking for if you want to code functionally.
[
{name: "Joe", age: 22},
{name: "Kevin", age: 24},
{name: "Peter", age: 21}
].map(function(elem){
return elem.name;
}).join(",");
In modern JavaScript:
[
{name: "Joe", age: 22},
{name: "Kevin", age: 2...
How to concatenate strings in django templates?
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I was totally confused by this answer as it uses the include tag instead of the extend tag, but apparently it just works. Though I would recommend Ahsan's own answer as it also workes and is (in my opinion) semantically more correct a...
warning: implicit declaration of function
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cnicutarcnicutar
160k2121 gold badges306306 silver badges343343 bronze badges
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How to check if a file exists in Go?
... You could use os.IsExist() depending the case, could be more idiomatically instead of making a double negation when doing !os.IsNotExistant()
– Ariel Monaco
Feb 17 at 3:18
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mongodb count num of distinct values per field/key
...e unwind line.
– Richie Rich
Jul 8 '16 at 17:58
@RichieRich, unwind is necessary because the code is grouping individu...
List of tables, db schema, dump etc using the Python sqlite3 API
...te("SELECT name FROM sqlite_master WHERE type='table';")
print(cursor.fetchall())
Watch out for my other answer. There is a much faster way using pandas.
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How to delete all the rows in a table using Eloquent?
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The reason MyModel::all()->delete() doesn't work is because all() actually fires off the query and returns a collection of Eloquent objects.
You can make use of the truncate method, this works for Laravel 4 and 5:
MyModel::truncate();
Th...
