大约有 40,000 项符合查询结果（耗时：0.0623秒） [XML]
How to count total number of watches on a page?
...
220
(You may need to change body to html or wherever you put your ng-app)
(function () {
var ro...
Filtering a list based on a list of booleans
...rue, False, True, False]
>>> %timeit list(compress(list_a, fil))
100000 loops, best of 3: 2.58 us per loop
>>> %timeit [i for (i, v) in zip(list_a, fil) if v] #winner
100000 loops, best of 3: 1.98 us per loop
>>> list_a = [1, 2, 4, 6]*100
>>> fil = [True, False,...
How to reset (clear) form through JavaScript?
...ment method (not one on the jQuery object), so you need:
$("#client.frm")[0].reset();
//faster version:
$("#client")[0].reset();
Or without jQuery:
document.getElementById("client").reset();
share
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Execute AsyncTask several times
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jun 16 '11 at 14:49
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Split comma-separated strings in a column into separate rows
...ckage (see code below).
The sample data given by the OP consists only of 20 rows. To create larger data frames, these 20 rows are simply repeated 1, 10, 100, 1000, 10000, and 100000 times which give problem sizes of up to 2 million rows.
Benchmark results
The benchmark results show that for su...
How to create the branch from specific commit in different branch
...where your HEAD is.
What you are doing:
git checkout dev
git branch test 07aeec983bfc17c25f0b0a7c1d47da8e35df7af8
First, you set your HEAD to the branch dev,
Second, you start a new branch on commit 07aeec98. There is no bb.txt at this commit (according to your github repo).
If you want to st...
Heroku error: “Permission denied (public key)”
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edited Jul 15 '14 at 19:05
ElGavilan
5,42688 gold badges2323 silver badges3535 bronze badges
answered ...
Check if a class has a member function of a given signature
...gt; static int Test(...);
static const bool Has = sizeof(Test<T>(0)) == sizeof(char);
};
template<typename TMap>
void ReportMemUsage(const TMap& m, std::true_type)
{
// We may call used_memory() on m here.
}
template<typename TMap>
void ReportMemUsage(const TMap&am...
How to use RSpec's should_raise with any kind of exception?
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380
expect { some_method }.to raise_error
RSpec 1 Syntax:
lambda { some_method }.should raise_err...
How to encrypt/decrypt data in php?
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+50
Foreword
Starting with your table definition:
- UserID
- Fname
- Lname
- Email
- Password
- IV
Here are the changes:
The fields ...