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How to programmatically empty browser cache?
...er cache. I am doing this because the application caches confidential data and I'd like to remove those when you press "log out". This would happen either via server or JavaScript. Of course, using the software on foreign/public computer is still discouraged as there are more dangers like key logger...
How to check visibility of software keyboard in Android?
...le thing - find out if the software keyboard is shown. Is this possible in Android?
42 Answers
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Android Bitmap to Base64 String
...s for solution, i have used same code but my encoded string has ... in end and i think it is not converted completely so please tell me why in end of Base 64 string are the dots(...)..
– Pankaj Singh
Feb 10 '12 at 7:26
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Setting PATH environment variable in OSX permanently
...ly solution that works on El Capitan. Better than modifying .bash_profile and .profile.
– IgorGanapolsky
Nov 29 '15 at 21:06
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How to communicate between iframe and the parent site?
...bsite in the iframe isn't located in the same domain , but both are mine, and I would like to communicate between the iframe and the parent site. Is it possible?
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MySQL DROP all tables, ignoring foreign keys
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I found the generated set of drop statements useful, and recommend these tweaks:
Limit the generated drops to your database like this:
SELECT concat('DROP TABLE IF EXISTS `', table_name, '`;')
FROM information_schema.tables
WHERE table_schema = 'MyDatabaseName';
Note 1:...
Unusual shape of a textarea?
...tenteditable
As proposed by @Getz, you can use a div with contenteditable and then shape it with some div on it. Here is an example, with two blocks which float at the upper left and the upper right of the main div:
As you can see, you have to play a little with the borders if you want the same ...
Extract a dplyr tbl column as a vector
... a neat function to make pulling out a column a bit nicer (easier to type, and easier to read):
pull <- function(x,y) {x[,if(is.name(substitute(y))) deparse(substitute(y)) else y, drop = FALSE][[1]]}
This lets you do either of these:
iris2 %>% pull('Species')
iris2 %>% pull(Species)
iri...
mysql update column with value from another table
... is perfect in this situation. I also used CONCAT_WS to merge pruduct name and SKU from another table
– vladkras
Jul 16 '14 at 5:43
2
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Bash foreach loop
...s say a file).
On each line there is a file name.
How can I read this file and display the content for each one.
7 Answers
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