大约有 1,800 项符合查询结果（耗时：0.0143秒） [XML]
Removing duplicate values from a PowerShell array
...er you're using SORT -UNIQUE, SELECT -UNIQUE or GET-UNIQUE from Powershell 2.0 to 5.1, all the examples given are on single Column arrays. I have yet to get this to function across Arrays with multiple Columns to REMOVE Duplicate Rows to leave single occurrences of a Row across said Columns, or dev...
Ruby: How to get the first character of a string
...String#chr returns the first character of a string. Its still available in 2.0 and 2.1.
"Smith".chr #=> "S"
http://ruby-doc.org/core-1.9.3/String.html#method-i-chr
share
|
improve this answ...
How can I get rid of an “unused variable” warning in Xcode?
...
You can set "No" LLVM compliler 2.0 warning on "Release"
share
|
improve this answer
|
How to set the matplotlib figure default size in ipython notebook?
...
In ipython 2.0 the config file is in .ipython/profile_default/ipython_notebook_config.py
– Fabian Pedregosa
Apr 5 '14 at 6:18
...
Twitter Bootstrap CSS affecting Google Maps
...
With Bootstrap 2.0, this seemed to do the trick:
#mapCanvas img {
max-width: none;
}
share
|
improve this answer
|
...
How do I calculate square root in Python?
...
You have to write: sqrt = x**(1/2.0), otherwise an integer division is performed and the expression 1/2 returns 0.
This behavior is "normal" in Python 2.x, whereas in Python 3.x 1/2 evaluates to 0.5. If you want your Python 2.x code to behave like 3.x w.r....
Delete all documents from index/type without deleting type
...
Ftr: in Elasticsearch 2.0 the delete by query API has been removed from the core and now lives in a plugin.
– dtk
Nov 16 '15 at 14:41
...
How to add and get Header values in WebApi
...
For WEB API 2.0:
I had to use Request.Content.Headers instead of Request.Headers
and then i declared an extestion as below
/// <summary>
/// Returns an individual HTTP Header value
/// </summary>
/// <par...
Verifying that a string contains only letters in C#
...
For those of you who would rather not go with Regex and are on the .NET 2.0 Framework (AKA no LINQ):
Only Letters:
public static bool IsAllLetters(string s)
{
foreach (char c in s)
{
if (!Char.IsLetter(c))
return false;
}
return true;
}
Only Numbers:
p...
How to get UILabel to respond to tap?
...
Swift 2.0:
I am adding a nsmutable string as sampleLabel's text, enabling user interaction, adding a tap gesture and trigger a method.
override func viewDidLoad() {
super.viewDidLoad()
let newsString: NSMutableAttributed...