大约有 6,261 项符合查询结果（耗时：0.0179秒） [XML]
How to delete last character in a string in C#?
... place:
var sb = new StringBuilder();
bool first = true;
foreach (var foo in items) {
if (first)
first = false;
else
sb.Append('&');
// for example:
var escapedValue = System.Web.HttpUtility.UrlEncode(foo);
sb.Append(key).Append('=').Append(escapedValue...
Python Nose Import Error
...
If you don't remove it, you'll have to change your import to import dir.foo, where dir is the name of your directory.
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What do people find difficult about C pointers? [closed]
...array of those things, well why not just pass a pointer to that too.
void foo(****ipppArr);
to call this, I need the address of the array of pointers to pointers to pointers of ints:
foo(&(***ipppArr));
In six months, when I have to maintain this code, I will spend more time trying to figu...
How do you convert a DataTable into a generic list?
...ypeof(Int32 )); dt.Columns.Add("name",typeof(String)); dt.Columns.Add("foo",typeof(DateTime )); for(int i=0;i<=1000;i++){dt.Rows.Add(i, "foo", DateTime.Now);}
– Rahul Garg
Jul 25 '18 at 10:56
...
How can I make my own event in C#?
...event and a field to keep track of subscribers:
public event EventHandler Foo;
If you need more complicated subscription/unsubscription logic, you can do that explicitly:
public event EventHandler Foo
{
add
{
// Subscription logic here
}
remove
{
// Unsubscrip...
What is object slicing?
...nformation - some of it is "sliced" away.
For example,
class A {
int foo;
};
class B : public A {
int bar;
};
So an object of type B has two data members, foo and bar.
Then if you were to write this:
B b;
A a = b;
Then the information in b about member bar is lost in a.
...
Is there any way to post events to Google Analytics via server-side API? [closed]
... file_get_contents($sGaUrl);
}
sendAnalytics('UA-XXXXXXXX-1', 'http://foo.com', '/bar', 'Foo Bar');
Hope that helps!
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Converting strings to floats in a DataFrame
...
In [10]: df = DataFrame(dict(A = Series(['1.0','1']), B = Series(['1.0','foo'])))
In [11]: df
Out[11]:
A B
0 1.0 1.0
1 1 foo
In [12]: df.dtypes
Out[12]:
A object
B object
dtype: object
In [13]: df.convert_objects(convert_numeric=True)
Out[13]:
A B
0 1 1
1 1 NaN
...
Matlab: Running an m-file from command-line
...bash
matlab -nodisplay -nojvm -nosplash -nodesktop -r \
"try, run('/foo/bar/my_script.m'), catch, exit(1), end, exit(0);"
echo "matlab exit code: $?"
it prints matlab exit code: 1 if the script throws an exception, matlab exit code: 0 otherwise.
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Spring JPA @Query with LIKE
... You can just do like :username and then .setParameter("username", "%foo%");
– Matthew Daumen
May 16 '19 at 19:30
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