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CSS Font Border?
With all the new CSS3 border stuff going on ( -webkit , ...) is it now possible to add a border to your font? (Like the solid white border around the blue Twitter logo). If not, are there any not-too-ugly hacks that will accomplish this in CSS/XHTML or do I still need to fire up Photoshop?
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Create JSON object dynamically via JavaScript (Without concate strings)
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answered May 12 '13 at 12:32
Xotic750Xotic750
19.4k88 gold badges4949 silver badges7070 bronze badges
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Rails Object to hash
...ly attributes, then you can get them by:
@post.attributes
Note that this calls ActiveModel::AttributeSet.to_hash every time you invoke it, so if you need to access the hash multiple times you should cache it in a local variable:
attribs = @post.attributes
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Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Shell脚本编程30分钟入门linux_shell_30min_guides什么是Shell脚本示例看个例子吧：#! bin shcd ~mkdir shell_tutcd shell_tutfor ((i=0; i<10; i++)); do touch test_$i.txt...
什么是Shell脚本
示例
看个例子吧：
#!/bin/sh
cd ~
mkdir shell_tut
cd shell_tut
for (...
Read values into a shell variable from a pipe
...e, what worked for me was (a different example but similar usage): pip install -U echo $(ls -t *.py | head -1). In case, someone ever has a similar problem and stumbles upon this answer like me.
– ivan_bilan
Mar 14 '19 at 15:25
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Use rvmrc or ruby-version file to set a project gemset with RVM?
...f your .rvmrc file contains custom shell code, continue using .rvmrc as it allows you to include any shell code.
If your only aim is to switch Ruby versions, then use .ruby-version which is supported by other Ruby version switchers such as rbenv or chruby. This file also does not require trusting a...
Why should the copy constructor accept its parameter by reference in C++?
... reference, it's by value. To do that you make a copy, and to do that you call the copy constructor. But to do that, we need to make a new value, so we call the copy constructor, and so on...
(You would have infinite recursion because "to make a copy, you need to make a copy".)
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Force R not to use exponential notation (e.g. e+10)?
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This is a bit of a grey area. You need to recall that R will always invoke a print method, and these print methods listen to some options. Including 'scipen' -- a penalty for scientific display. From help(options):
‘scipen’: integer. A penalty to be applied wh...
How can I change an element's text without changing its child elements?
I'd like to update element's text dynamically:
14 Answers
14
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How can I set the request header for curl?
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Hassaan
6,15855 gold badges2323 silver badges4444 bronze badges
answered Nov 18 '10 at 7:27
Mads MobækMads Mobæk
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