大约有 24,000 项符合查询结果（耗时：0.0878秒） [XML]
How to pretty print XML from Java?
...?xml ...> declaration, add transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes")
– rustyx
Aug 25 '15 at 20:01
4
...
Date vs DateTime
...portion of the value.
public static void Main()
{
System.DateTime _Now = DateAndTime.Now;
Console.WriteLine("The Date and Time is " + _Now);
//will return the date and time
Console.WriteLine("The Date Only is " + _Now.Date);
//will return only the date
Console.Write("Pre...
How do I use WebRequest to access an SSL encrypted site using https?
...ValidationCallback <- Security.RemoteCertificateValidationCallback (fun _ _ _ _ -> true)
– David Grenier
Jan 10 '12 at 21:25
...
How to make vim paste from (and copy to) system's clipboard?
...x11-selection for more details, but basically the "* is analogous to X11's _PRIMARY_ selection (which usually copies things you select with the mouse and pastes with the middle mouse button) and "+ is analogous to X11's _CLIPBOARD_ selection (which is the clipboard proper).
If all that went over you...
Longest line in a file
...
awk '{print length, $0}' Input_file |sort -nr|head -1
For reference : Finding the longest line in a file
share
|
improve this answer
|
...
#ifdef replacement in the Swift language
...nd Linking in Xcode 8 Release note.
New build settings
New setting: SWIFT_ACTIVE_COMPILATION_CONDITIONS
“Active Compilation Conditions” is a new build setting for passing conditional compilation flags to the Swift compiler.
Previously, we had to declare your conditional compilation flags un...
python pandas dataframe to dictionary
...
See the docs for to_dict. You can use it like this:
df.set_index('id').to_dict()
And if you have only one column, to avoid the column name is also a level in the dict (actually, in this case you use the Series.to_dict()):
df.set_index('id')...
How to sort with lambda in Python
... ^^^^
On Python 2.x, the sorted function takes its arguments in this order:
sorted(iterable, cmp=None, key=None, reverse=False)
so without the key=, the function you pass in will be considered a cmp function which takes 2 arguments.
...
How do I find numeric columns in Pandas?
...
You could use select_dtypes method of DataFrame. It includes two parameters include and exclude. So isNumeric would look like:
numerics = ['int16', 'int32', 'int64', 'float16', 'float32', 'float64']
newdf = df.select_dtypes(include=numerics)
...
How to get the list of all printers in computer
...them:
var printerQuery = new ManagementObjectSearcher("SELECT * from Win32_Printer");
foreach (var printer in printerQuery.Get())
{
var name = printer.GetPropertyValue("Name");
var status = printer.GetPropertyValue("Status");
var isDefault = printer.GetPropertyValue("Default");
var ...