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Check if key exists and iterate the JSON array using Python
I have a bunch of JSON data from Facebook posts like the one below:
7 Answers
7
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How do I see if Wi-Fi is connected on Android?
..."android.permission.ACCESS_NETWORK_STATE" />
to your
AndroidManifest.xml for this to work.
NOTE2: public NetworkInfo getNetworkInfo (int networkType) is now deprecated:
This method was deprecated in API level 23. This method does not
support multiple connected networks of the same type....
Image Greyscale with CSS & re-color on mouse-over?
...ing only one colored image)
img.grayscale {
filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/><...
Syntax highlighting/colorizing cat
...
I'd recommend pygmentize from the python package python-pygments. You may want to define the following handy alias (unless you use ccat from the ccrypt package).
alias ccat='pygmentize -g'
And if you want line numbers:
alias ccat='pygmentize -g -O style...
How do I get indices of N maximum values in a NumPy array?
... @LKT use a=np.array([9, 4, 4, 3, 3, 9, 0, 4, 6, 0]) because normal python lists do not support indexing by lists, unlike np.array
– Marawan Okasha
Aug 8 '17 at 19:34
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Using pip behind a proxy with CNTLM
...ve your issue, try running pip with commandline option --trusted-host pypi.python.org which did the trick for me.
– Petr
Jan 4 '19 at 8:23
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Reading an Excel file in PHP [closed]
...inary format
PHPExcel, which knows both Office 2003 as well as Excel 2007 (XML). (Follow the link, and you'll see they upgraded this library to PHPSpreadSheet)
PHPExcel uses Spreadsheet_Excel_Reader for the Office 2003 format.
Update: I once had to read some Excel files but I used the Office 2003...
Input and output numpy arrays to h5py
I have a Python code whose output is a sized matrix, whose entries are all of the type float . If I save it with the extension .dat the file size is of the order of 500 MB. I read that using h5py reduces the file size considerably. So, let's say I have the 2D numpy array named A . How do I ...
Disable ScrollView Programmatically?
...ou can change how an ImageView scales with the android:scaleType property (XML) or the setScaleType method - for instance ScaleType.CENTER will not stretch your image and will center it at it's original size
You could modify ScrollView as follows to disable scrolling
class LockableScrollView ext...
What is the purpose and use of **kwargs?
What are the uses for **kwargs in Python?
13 Answers
13
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