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How to fix 'android.os.NetworkOnMainThreadException'?
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Actually i did the Same thing as u mentioned above but m facing this error java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()
– Dhruv Tyagi
Aug 30 '16 at 11:08
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Java 7 language features with Android
Just wondering if anyone has tried using new Java 7 language features with Android?
I know that Android reads the bytecode that Java spits out and turns it to dex. So I guess my question is can it understand the bytecode of Java 7?
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Is it faster to count down than it is to count up?
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Is it really true? and if so does anyone know why?
In ancient days, when computers were still chipped out of fused silica by hand, when 8-bit microcontrollers roamed the Earth, and when your teacher was young (or your teacher's teacher was young), there was a ...
Assign pandas dataframe column dtypes
...conversions:
pd.to_datetime, pd.to_timedelta and pd.to_numeric
(As mentioned below, no more "magic", convert_objects has been deprecated in 0.17)
df = pd.DataFrame({'x': {0: 'a', 1: 'b'}, 'y': {0: '1', 1: '2'}, 'z': {0: '2018-05-01', 1: '2018-05-02'}})
df.dtypes
x object
y object
z ob...
How do you push a tag to a remote repository using Git?
I have cloned a remote Git repository to my laptop, then I wanted to add a tag so I ran
9 Answers
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How to check if a string contains only digits in Java [duplicate]
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String regex = "\\d+";
As per Java regular expressions, the + means "one or more times" and \d means "a digit".
Note: the "double backslash" is an escape sequence to get a single backslash - therefore, \\d in a java String gives you the actual result: \d
References:
Java Regular Expression...
Read a file in Node.js
...ther use cases (and loading files to a cache at start-up is definitely not one of them), the OP's post is definitely not a case where you want to use readFileSync--he's in the middle of processing a web request. This answer was totally inappropriate to the question at hand.
– S...
What's a good (free) visual merge tool for Git? (on windows) [closed]
...ut in the end went for Beyond Compare, with pay, and have been very happy. One minus of Meld is that the buttons don't give mouseover descriptions. Another - Beyond Compare provides buttons to move from one difference to the next. Another - Beyond Compare shows the file paths in the window title bar...
How do I choose between Tesseract and OpenCV? [closed]
...r that performs basic OCR, but it is not a very good OCR engine (I've made one in Python before from scratch. It's really inaccurate for input that deviates from your training data).
If you want to get a basic understanding of how hard OCR is, try OpenCV. Tesseract is for real OCR.
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How do I list all files of a directory?
...k(mypath).next() (if you are confident that the walk will return at least one value, which it should.)
– misterbee
Jul 14 '13 at 20:56
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