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How do I undo 'git add' before commit?
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You can undo git add before commit with
git reset <file>
which will remove it from the current index (the "about to be committed" list) without changing anything else.
You can use
git reset
without any file name to unstage all due changes. This can come in handy when ...
POST request via RestTemplate in JSON
...Headers();
headers.setContentType(MediaType.APPLICATION_JSON);
HttpEntity<String> entity = new HttpEntity<String>(requestJson, headers);
ResponseEntity<String> response = restTemplate.put(url, entity);
I hope this helps
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Elegant Python function to convert CamelCase to snake_case?
...el case to snake case
import re
name = 'CamelCaseName'
name = re.sub(r'(?<!^)(?=[A-Z])', '_', name).lower()
print(name) # camel_case_name
If you do this many times and the above is slow, compile the regex beforehand:
pattern = re.compile(r'(?<!^)(?=[A-Z])')
name = pattern.sub('_', name).low...
Why do some claim that Java's implementation of generics is bad?
...nt" to be
Can't be used for value types (this is a biggie - in .NET a List<byte> really is backed by a byte[] for example, and no boxing is required)
Syntax for calling generic methods sucks (IMO)
Syntax for constraints can get confusing
Wildcarding is generally confusing
Various restrictions ...
Click through div to underlying elements
...nts: none;
background: url('your_transparent.png');
IE11 conditional:
filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='your_transparent.png', sizingMethod='scale');
background: none !important;
Here is a basic example page with all the code.
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Parsing HTML into NSAttributedText - how to set font?
...TMLFromString(text: String) {
let modifiedFont = NSString(format:"<span style=\"font-family: \(self.font!.fontName); font-size: \(self.font!.pointSize)\">%@</span>", text) as String
let attrStr = try! NSAttributedString(
data: modifiedFont.dataUsingEncoding(N...
Set Value of Input Using Javascript Function
...nt.value = x) or jQuery $(element).val(x);
When x is undefined jQuery results in an empty String whereas javascript results in "undefined" as a String.
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How to bind multiple values to a single WPF TextBlock?
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You can use a MultiBinding combined with the StringFormat property. Usage would resemble the following:
<TextBlock>
<TextBlock.Text>
<MultiBinding StringFormat="{}{0} + {1}">
<Binding Path="N...
How to remove padding around buttons in Android?
...and minWidth on some of the Android themes.
On the Button element, add:
<Button android:minHeight="0dp" android:minWidth="0dp" ...
Or in your button's style:
<item name="android:minHeight">0dp</item>
<item name="android:minWidth">0dp</item>
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How to implement the Android ActionBar back button?
...vUtils.navigateUpFromSameTask(this);
return true;
default:
return super.onOptionsItemSelected(item);
}
}
}
The function NavUtils.navigateUpFromSameTask(this) requires you to define the parent activity in the AndroidManifest.xml file
<activity android...