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How to convert JSON string to array
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If you pass the JSON in your post to json_decode, it will fail. Valid JSON strings have quoted keys:
json_decode('{foo:"bar"}'); // this fails
json_decode('{"foo":"bar"}', true); // returns array("foo" => "bar")
json_decode('{"foo":"bar"}'); // returns an object, not an arr...
Finding duplicate values in MySQL
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But how is this useful if you can't get the IDs of the rows with duplicate values? Yes, you can do a new query matching for each duplicate value, but is it possible to simply list the duplicates?
– NobleUplift
Jul 24 '14 at 14:41
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What is q=0.5 in Accept* HTTP headers?
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This is called a relative quality factor. It specifies what language the user would prefer, on a scale of 0 to 1, as can be seen from the HTTP/1.1 Specification, §14.4:
Each language-range MAY be given an associated quality value ...
Hide keyboard when scroll UITableView
In my app i want hide keyboard when i start scrolling UITableView. I search about this in internet, and most answer is subclassing UITableView (http://stackoverflow.com/questions/3499810/tapping-a-uiscrollview-to-hide-the-keyboard).
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PDO get the last ID inserted
I have a query, and I want to get the last ID inserted. The field ID is the primary key and auto incrementing.
3 Answers
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Which is better, number(x) or parseFloat(x)?
...umber". Number returns NaN while parseFloat parses "as much as it can". If called on the empty string Number returns 0 while parseFloat returns NaN.
For example:
Number("") === 0 // also holds for false
isNaN(parseFloat("")) === true // and null
isNaN(Number("32f")) === true
parseFl...
Numpy: Get random set of rows from 2D array
....random.choice([False, True], len(data_arr), p=[0.75, 0.25])
Now you can call data_arr[mask] and return ~25% of the rows, randomly sampled.
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Convert PDF to clean SVG? [closed]
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FOR /f "tokens=*" %%A IN ('DIR /A:-D /O:N /B %_work_file_str%') DO (
CALL :subroutine "%%A"
)
popd
:: ===== CONVERT PDF TO SVG WITH INKSCAPE =====
:subroutine
echo.
IF NOT [%1]==[] (
echo %count%:%1
set /A count+=1
start "" /D "%_work_dir%" /W "%_inkscape_cmd%" --without-gui --...
Create web service proxy in Visual Studio from a WSDL file
...a URL property you can set on the fly, and a bunch of methods that you can call. It'll also generate classes for all/any complex objects passed across the service interface.
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java.lang.IllegalStateException: The specified child already has a parent
...ootView.getParent()).removeView(mRootView);" works in contrast to directly calling " <WhateverIsParentViewGroupName>.removeView(mRootView)" But this works for me as well, I'm testing on Android 8.0 and 9.0. Thanks bud ^
– Khay
Feb 16 '19 at 1:33
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