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How to check if an intent can be handled from some activity?
...eUploader: {
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How to output only captured groups with sed?
...e output as well as specifying what you do want.
string='This is a sample 123 text and some 987 numbers'
echo "$string" | sed -rn 's/[^[:digit:]]*([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)[^[:digit:]]*/\1 \2/p'
This says:
don't default to printing each line (-n)
exclude zero or more non-digits
i...
Remove duplicate dict in list in Python
...that. However, with a few lines of code, you can also do that:
l = [{'a': 123, 'b': 1234},
{'a': 3222, 'b': 1234},
{'a': 123, 'b': 1234}]
seen = set()
new_l = []
for d in l:
t = tuple(d.items())
if t not in seen:
seen.add(t)
new_l.append(d)
print new_l
Ex...
Best way to work with dates in Android SQLite [closed]
...le values (
strftime('%Y-%m-%d %H:%M:%f', '2014-03-01 13:01:01.123'),
strftime('%Y-%m-%d %H:%M:%f', '2014-03-01 13:01:01.123'),
strftime('%Y-%m-%d %H:%M:%f', '2014-03-01 13:01:01.123')
);
sqlite> insert into test_table values (
strftime('%Y-...
Uncatchable ChuckNorrisException
... to throw it. It's easy to create an exception that you can't throw: class cn extends exception{private cn(){}}
– John Dvorak
Dec 18 '12 at 20:55
...
20个命令行工具监控 Linux 系统性能 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...stat 这个命令的，如果你要使用它，必须安装一个包名叫 sysstat 的程序包。命令格式常用用法如下：
# vmstat
procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu-----
r b swpd free inact active si so bi bo in cs us sy i...
How can you list the matches of Vim's search?
... " F6 will find the previous occurrence after vimgrep
map <F6> :cn!<CR>
" F8 search for word under the cursor recursively , :copen , to close -> :ccl
nnoremap <F8> :grep! "\<<cword>\>" . -r<CR>:copen 33<CR>
" omit a dir from all searche...
Splitting on first occurrence
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Type definition in object literal in TypeScript
... as Alternative)
After many years of using const and benefiting from more functional code, I would recommend against using the below in most cases. (When building objects, forcing the type system into a specific type instead of letting it infer types is often an indication that something is wrong)....
Hg: How to do a rebase like git's rebase
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