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sqlite database default time value 'now'
... size, note that this recipe will save your timestamps in ISO-8601 (a text format), taking up about 24 bytes in the database per date. You can save space by just using an INTEGER(4) column, and storing the unix time via "INSERT INTO test (t) values (strftime("%s", CURRENT_TIME));"
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File Upload without Form
Without using any forms whatsoever, can I just send a file/files from <input type="file"> to 'upload.php' using POST method using jQuery. The input tag is not inside any form tag. It stands individually. So I don't want to use jQuery plugins like 'ajaxForm' or 'ajaxSubmit'.
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Is a LINQ statement faster than a 'foreach' loop?
... because it introduces overhead. Do not use LINQ if you care much about performance. Use LINQ because you want shorter better readable and maintainable code.
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Good examples of Not a Functor/Functor/Applicative/Monad?
...ll semantics as soon as you use any unsafe function.
See the Haskell Wiki for an article on bottom (link) or unsafe functions (link).
I wonder if it is possible to create such a type constructor using a richer type system, such as Agda or Haskell with various extensions.
A type constructor which ...
How to sum all column values in multi-dimensional array?
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$sumArray = array();
foreach ($myArray as $k=>$subArray) {
foreach ($subArray as $id=>$value) {
$sumArray[$id]+=$value;
}
}
print_r($sumArray);
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Cannot use identity column key generation with ( TABLE_PER_CLASS )
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Perfect Solution. Even Hibernate forums didnot seem to have this solution, and they were going around the topic forum.hibernate.org/…
– Spring Monkey
Aug 14 '09 at 15:00
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How to drop rows of Pandas DataFrame whose value in a certain column is NaN
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Creates Error: TypeError: ufunc 'isfinite' not supported for the input types, and the inputs could not be safely coerced to any supported types according to the casting rule ''safe''
– Philipp Schwarz
Oct 7 '16 at 13:18
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How to link to part of the same document in Markdown?
... table of contents from the section headings. It is similar with the other formats pandoc writes, like LaTeX, rtf, rst, etc. So with the command
pandoc --toc happiness.txt -o happiness.html
this bit of markdown:
% True Happiness
Introduction
------------
Many have posed the question of true ha...
How to render a PDF file in Android
... us just render all pages
final int pageCount = renderer.getPageCount();
for (int i = 0; i < pageCount; i++) {
Page page = renderer.openPage(i);
// say we render for showing on the screen
page.render(mBitmap, null, null, Page.RENDER_MODE_FOR_DISPLAY);
// do stuff with the ...
How to switch between hide and view password
...w dots if you set it to false the text is shown.
With the method setTransformationMethod you should be able to change this attributes from code. (Disclaimer: I have not tested if the method still works after the view is displayed. If you encounter problems with that leave me a comment for me to kn...