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How to install an APK file on an Android phone?
...the app already exists on the device, you may need to use the -r option in order to reinstall it.
– Alex King
Oct 30 '13 at 20:21
1
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When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
...
In advanced functions, you must use $PSCmdlet.ThrowTerminatingError() in order to generate a statement-terminating error.
Note that, by contrast, the Throw keyword generates a script-terminating error that aborts the entire script (technically: the current thread).
Handling a statement-terminatin...
How do I iterate over the words of a string?
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In order to avoid it skipping empty tokens, do an empty() check: if (!item.empty()) elems.push_back(item)
– 0x499602D2
Nov 9 '13 at 22:33
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Why should weights of Neural Networks be initialized to random numbers? [closed]
...ere is a consensus that weights should be initialized to random numbers in order for the network to converge faster.
9 Answ...
Foreign key constraint may cause cycles or multiple cascade paths?
...n then your trigger code will define which tables are deleted and in which order.
– onedaywhen
Aug 5 '14 at 15:22
6
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How to remove the lines which appear on file B from another file A?
...-to-remove> <all-lines>
works on non-sorted files
maintains the order
is POSIX
Example:
cat <<EOF > A
b
1
a
0
01
b
1
EOF
cat <<EOF > B
0
1
EOF
grep -Fvxf B A
Output:
b
a
01
b
Explanation:
-F: use literal strings instead of the default BRE
-x: only consider ma...
Rails: convert UTC DateTime to another time zone
..."undefined method 'in_time_zone'". Are there rails classes that I need in order to get this to work?
– Drew Johnson
Apr 23 '10 at 2:59
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Where are static variables stored in C and C++?
...program execution passes through its
definition. The order of initialization of
global variables across translation units is not
defined, and special care is needed to manage
dependencies between global objects (inc...
How to grey out a button?
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So in order to grey it out, I must change the color of the background AND the color of the text in the disable state? There is no way to just add a transparent foreground?
– jul
Jan 5 '12 at 1...
SQL select only rows with max value on a column [duplicate]
...ELECT id, rev, contents,
ROW_NUMBER() OVER (PARTITION BY id ORDER BY rev DESC) rank
FROM YourTable) a
WHERE a.rank = 1
Added in SQL standard ANSI/ISO Standard SQL:2003 and later extended with ANSI/ISO Standard SQL:2008, window (or windowing) functions are available with...