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How to get child element by class name?
I'm trying to get the child span that has a class = 4. Here is an example element:
17 Answers
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Scraping html tables into R data frames using the XML package
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Detecting touch screen devices with Javascript
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edited Jun 13 '15 at 1:34
Ashkan Mobayen Khiabani
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Is String.Contains() faster than String.IndexOf()?
...ndNLSString from kernel32.dll (the power of reflector!).
Updated for .NET 4.0 - IndexOf no longer uses Ordinal Comparison and so Contains can be faster. See comment below.
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pypi UserWarning: Unknown distribution option: 'install_requires'
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edited Jul 28 '13 at 22:14
Gringo Suave
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How to hide element using Twitter Bootstrap and show it using jQuery?
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400
The right answer
Bootstrap 4.x
Bootstrap 4.x uses the new .d-none class. Instead of using ei...
Does Python have a ternary conditional operator?
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7254
Yes, it was added in version 2.5. The expression syntax is:
a if condition else b
First conditi...
C# Double - ToString() formatting with two decimal places but no rounding
...Truncate(myDoubleValue * 100) / 100;
For instance:
If the number is 50.947563 and you use the following, the following will happen:
- Math.Truncate(50.947563 * 100) / 100;
- Math.Truncate(5094.7563) / 100;
- 5094 / 100
- 50.94
And there's your answer truncated, now to format the string simply ...
What is the iBeacon Bluetooth Profile
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For an iBeacon with ProximityUUID E2C56DB5-DFFB-48D2-B060-D0F5A71096E0, major 0, minor 0, and calibrated Tx Power of -59 RSSI, the transmitted BLE advertisement packet looks like this:
d6 be 89 8e 40 24 05 a2 17 6e 3d 71 02 01 1a 1a ff 4c 00 02 15 e2 c5 6d b5 df fb 48 d2 ...