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Regular expression to return text between parenthesis
...t; import re
>>> s = u'abcde(date=\'2/xc2/xb2\',time=\'/case/test.png\')'
>>> re.search(r'\((.*?)\)',s).group(1)
u"date='2/xc2/xb2',time='/case/test.png'"
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How to get child element by class name?
...e want any child that contains a className.
For example: <div class="img square"></div> should match a search on className "img", even though it's exact className is not "img".
Here's a solution for both of these issues:
Find the first instance of a descendant element with the cla...
How do you automatically set text box to Uppercase?
...
You've put the style attribute on the <img> tag, instead of the <input>.
It is also not a good idea to have the spaces between the attribute name and the value...
<input type="text" class="normal"
name="Name" size="20" maxlength="20"
...
Save image from URL by paperclip
...mply :
user.picture_from_url "http://www.google.com/images/logos/ps_logo2.png"
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Control the dashed border stroke length and distance between strokes
...xels wide by 15 pixels high and the gaps are currently 5px wide. It is a .png with transparency.
This is what it looks like in photoshop when zoomed in:
This is what it looks like to scale:
Controlling gap and stroke length
To create wider / shorter gaps or strokes, widen / shorten the gaps...
CSS Background Opacity [duplicate]
... It'd be weird and inconvenient if they didn't.
You can use a translucent PNG file for your background image, or use an RGBa (a for alpha) color for your background color.
Example, 50% faded black background:
<div style="background-color:rgba(0, 0, 0, 0.5);">
<div>
Text...
Changing UIImage color
... @Womble not really. You can use this for any UIImage really. img = [img imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate]; [button setTintColor:[UIColor redColor]]; [button setImage:img forState:UIControlStateNormal]; @Ankish thanks!
– Motasim...
转型产品经理必看 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...算是对过去的一段总结，对未来的一份期许，我因技术而入门，因产品而出门。
我理解的产品
说起产品，或者说互联网产品，我第一次明确的知道这个概念的含义应该是在2011年，那一年智能手机开始兴起，印象很深刻，那...
UIBarButtonItem with custom image and no border
...
I found it this ways easy. It is sugested on top. "random.png" has to be in project. Just drag and drop any image.
UIButton *a1 = [UIButton buttonWithType:UIButtonTypeCustom];
[a1 setFrame:CGRectMake(0.0f, 0.0f, 25.0f, 25.0f)];
[a1 addTarget:self action:@selector(r...
Difference between SRC and HREF
...he contents of the js file inside the script tag. Similar is the case with img tag. It is an empty tag and the content, that should come inside it, is defined by the src attribute. The browser pauses the loading until it fetches and loads the image. [so is the case with iframe]
This is the reason w...