大约有 45,000 项符合查询结果（耗时：0.0496秒） [XML]
Get the client IP address using PHP [duplicate]
... to get the IP address.
The below both functions are equivalent with the difference only in how and from where the values are retrieved.
getenv() is used to get the value of an environment variable in PHP.
// Function to get the client IP address
function get_client_ip() {
$ipaddress = '';
...
Rolling or sliding window iterator?
...
Nice answer, but (and I know you're just reproducing the recipe as linked), I wonder why the default window size should be 2? Should it have a default at all?
– SingleNegationElimination
Jul 25 '11 at 22:02
...
Passing argument to alias in bash [duplicate]
...to/bar'
$ foo some args
will get expanded to
$ /path/to/bar some args
If you want to use explicit arguments, you'll need to use a function
$ foo () { /path/to/bar "$@" fixed args; }
$ foo abc 123
will be executed as if you had done
$ /path/to/bar abc 123 fixed args
To undefine an alias:
...
No ConcurrentList in .Net 4.0?
...
And if you need something similar to List<T> that uses old-skool, monitor-based synchronisation, there's SynchronizedCollection<T> hidden away in the BCL: msdn.microsoft.com/en-us/library/ms668265.aspx
...
Better way to get type of a Javascript variable?
...
Ah, I'd forgotten about that - thank you, it's now included.
– Vix
Feb 26 '16 at 9:20
1
...
Haskell Type vs Data Constructor
...ith how binary trees work, just hang in there. You don't actually need to know how binary trees work, only that this one stores Strings in some way.
We also see that both data constructors take a String argument – this is the String they are going to store in the tree.
But! What if we also wante...
What's the Linq to SQL equivalent to TOP or LIMIT/OFFSET?
...
VB now has a Take() method as well. I had to use a variable for the amount to take, and the expression did not work, while the method did.
– Dave Johnson
Mar 2 '16 at 19:24
...
How to check if an object is a list or tuple (but not string)?
...an be treated as a list. So, don't check for the type of a list, just see if it acts like a list.
But strings act like a list too, and often that is not what we want. There are times when it is even a problem! So, check explicitly for a string, but then use duck typing.
Here is a function I wro...
Viewing all defined variables [duplicate]
...
If possible, you may want to use IPython.
To get a list of all current user-defined variables, IPython provides a magic command named who (magics must be prefixed with the modulo character unless the automagic feature is ena...
Pretty Printing a pandas dataframe
... want an inbuilt function to dump your data into some github markdown, you now have one. Take a look at to_markdown:
df = pd.DataFrame({"A": [1, 2, 3], "B": [1, 2, 3]}, index=['a', 'a', 'b'])
print(df.to_markdown())
| | A | B |
|:---|----:|----:|
| a | 1 | 1 |
| a | 2 | 2 |
| b...