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How to change app name per Gradle build type
...
Perfect when the app name has to be read form an external file
– Joe Maher
Jan 20 '16 at 0:13
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Store select query's output in one array in postgres
...two ways. One is to aggregate:
SELECT array_agg(column_name::TEXT)
FROM information.schema.columns
WHERE table_name = 'aean'
The other is to use an array constructor:
SELECT ARRAY(
SELECT column_name
FROM information.schema.columns
WHERE table_name = 'aean')
I'm presuming this is for plpgsql...
how to exclude null values in array_agg like in string_agg using postgres?
...(unnest(array_agg(x)) or creating a custom aggregate.
The first is of the form shown above:
SELECT
array_agg(u)
FROM (
SELECT
unnest(
array_agg(v)
) as u
FROM
x
) un
WHERE
u IS NOT NULL;
The second:
/*
With reference to
http://ejrh.w...
How to get the list of all installed color schemes in Vim?
...so you can use it in the two previous commands, instead of using the "long form".
If you want to find and preview more themes, there are various websites like Vim colors
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How do I check/uncheck all checkboxes with a button using jQuery?
... Heads up: this answer checks literally every checkbox in your form. Skip unless you want that. For multiple checkalls this answer helped me: stackoverflow.com/a/27148382/3448554
– Kelsey Hannan
Mar 16 '15 at 5:11
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How to remove convexity defects in a Sudoku square?
... filling this image, I get a mask for the sudoku grid:
mask = FillingTransform[largestComponent]
Now, I can use a 2nd order derivative filter to find the vertical and horizontal lines in two separate images:
lY = ImageMultiply[MorphologicalBinarize[GaussianFilter[srcAdjusted, 3, {2, 0}], {0.02...
libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...实现回调函数以完成用户特定任务
5. 调用curl_easy_perform（）函数完成传输任务
6. 调用curl_easy_cleanup（）释放内存
在整过过程中设置curl_easy_setopt()参数是最关键的，几乎所有的libcurl程序都要使用它。
1）CURLcode curl_globa...
Get element at specified position - JavaScript
...nded, try to use .hover(...) and css instead to enhance the application performance.
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Regex not operator
...uite, although generally you can usually use some workaround on one of the forms
[^abc], which is character by character not a or b or c,
or negative lookahead: a(?!b), which is a not followed by b
or negative lookbehind: (?<!a)b, which is b not preceeded by a
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Entity Framework - Include Multiple Levels of Properties
...ferent alias name as c1,c2 something like that. My question is , how i can form a nested DTO collection out of all my includes:(.. May be you can take the above example itself, in that we are returning all the columns without any custom DTO (which itself is collection of DTO's)
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