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How to return 2 values from a Java method?
...te - presumably the pair of numbers has some meaning, and it would be nice if the return type represented this.
– Armand
May 14 '10 at 11:50
3
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How to detect if CMD is running as Administrator/has elevated privileges?
...solution here: http://www.robvanderwoude.com/clevertricks.php
AT > NUL
IF %ERRORLEVEL% EQU 0 (
ECHO you are Administrator
) ELSE (
ECHO you are NOT Administrator. Exiting...
PING 127.0.0.1 > NUL 2>&1
EXIT /B 1
)
Assuming that doesn't work and since we're talking Win7 ...
ImageUtil 扩展：图像工具扩展，提供图像处理和变换功能 · App Inventor 2 中文网
...鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e.clientY - offsetY) + 'px'; }; // 鼠标释放时停止拖动 document.onmouseup = function(...
How do I fix “for loop initial declaration used outside C99 mode” GCC error?
...ble gcc extensions depends on what you're doing. Disabling them is helpful if your goal is to write code that's portable to compilers other than gcc.
– Keith Thompson
Sep 12 '13 at 23:40
...
What's an elegant way to conditionally add a class to an HTML element in a view?
...eact
This technique is inspired by an add-on called classNames (formerly known as classSet) from Facebook’s React front-end framework.
Using in your Rails projects
As of now, the class_names function does not exist in Rails, but this article shows you how to add or implement it into your projec...
Secure random token in Node.js
...
If you're looking for the above as a bash one-liner, you can do node -e "require('crypto').randomBytes(48, function(ex, buf) { console.log(buf.toString('hex')) });"
– Dmitry Minkovsky
Fe...
String.Empty versus “” [duplicate]
How is String.Empty different from "" ?
5 Answers
5
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Is there a Python Library that contains a list of all the ascii characters?
... string
>>> string.ascii_uppercase
'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
If you want all printable characters:
>>> string.printable
'0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"#$%&\'()*+,-./:;?@[\\]^_`{|}~ \t\n\r\x0b\x0c'
...
sed or awk: delete n lines following a pattern
...
What's happening is similar but slightly different in each case. In the first recipe, /pattern/,+5 defines a range, which starts with a line containing "pattern" (/pattern/) and ends 5 lines later (+5). The last character d is a command to run on each line in that ...
Is it possible to set the equivalent of a src attribute of an img tag in CSS?
...
@EricG, different applications have different requirements. If it doesn't suit your requirements, don't use it. If it does, use it.
– Pacerier
Feb 22 '13 at 12:17
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