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No identities are available for signing Xcode 5
...date my app or submit to AppStore, all the time I have an error. Maybe someone can help me with this issue.
24 Answers
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Benefits of header-only libraries
...
@LuchianGrigore I couldn't find anyone else that had either. That's why it took a while to answer. There are so many speculative "increases code size" and "memory consumption" comments. I finally have a snapshot of the differences, even if it's only one exampl...
Duplicating a MySQL table, indices, and data
How do I copy or clone or duplicate the data, structure,
and indices of a MySQL table to a new one?
10 Answers
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Install an apk file from command prompt?
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Just to add to this for anyone having issues in the future, add -d to force the installation over USB connections. I had issues, and adding that fixed it. adb -d install myApp-release.apk
– Cow
Jun 13 '14 at 21:30...
How to extract the first two characters of a string in shell scripting?
...head will give you the first two characters of the entire input
The third one uses the awk sub-string function to extract the first two characters and the fourth uses sed capture groups (using () and \1) to capture the first two characters and replace the entire line with them. They're both similar...
glob exclude pattern
...you use a glob in the directory name then you'd have a point, then at most one os.listdir() result is kept in memory as you iterate. But somepath/*.txt has to read all filenames in one directory in memory, then reduce that list down to only those that match.
– Martijn Pieters...
Can you nest html forms?
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@Nilzor he's not asking whether or not it can't be done, he's asking WHY not. I agree; nesting forms is actually really useful. So if you have a one page app with tabs, each tab is its own form (so you can submit it to save progress), and they're all wrapped in a form, which y...
How to access command line arguments of the caller inside a function?
...function argv {
for a in ${BASH_ARGV[*]} ; do
echo -n "$a "
done
echo
}
function f {
echo f $1 $2 $3
echo -n f ; argv
}
function g {
echo g $1 $2 $3
echo -n g; argv
f
}
f boo bar baz
g goo gar gaz
Save in f.sh
$ ./f.sh arg0 arg1 arg2
f boo bar baz
farg2 ar...
SQL/mysql - Select distinct/UNIQUE but return all columns?
...ach time.
On some platforms (e.g. PostgreSQL, Oracle, T-SQL) this can be done directly using window functions:
select *
from (
select *,
row_number() over (partition by field1 order by field2) as row_number
from table
) as rows
where row_number = 1
On others (MySQL, SQLite), y...
github markdown colspan
...itHub (but not on StackOverflow)
<table>
<tr>
<td>One</td>
<td>Two</td>
</tr>
<tr>
<td colspan="2">Three</td>
</tr>
</table>
Becomes
...