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Combine two data frames by rows (rbind) when they have different sets of columns
...oy BhattacharyaJyotirmoy Bhattacharya
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What's the nearest substitute for a function pointer in Java?
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Mateen Ulhaq
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answered Sep 23 '08 at 17:21
sblundysblundy
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How can I escape white space in a bash loop list?
...this requires that your find support -print0:
# this is safe
while IFS= read -r -d '' n; do
printf '%q\n' "$n"
done < <(find test -mindepth 1 -type d -print0)
You can also populate an array from find, and pass that array later:
# this is safe
declare -a myarray
while IFS= read -r -d '' n...
Kiosk mode in Android
...ot by listening to the android.intent.action.BOOT_COMPLETED intent in a BroadcastReceiver and start your Activity from there. In the Activity you can register yourself as the new default homescreen[1] and handle the keys.
I think there are some instances that you can't handle without modifying the...
How to listen for a WebView finishing loading a URL?
I have a WebView that is loading a page from the Internet. I want to show a ProgressBar until the loading is complete.
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How to redirect the output of an application in background to /dev/null
...urcommand > /dev/null 2>&1
If it should run in the Background add an &
yourcommand > /dev/null 2>&1 &
>/dev/null 2>&1 means redirect stdout to /dev/null AND stderr to the place where stdout points at that time
If you want stderr to occur on console and on...
MySQL DROP all tables, ignoring foreign keys
... http://dev.mysql.com/doc/refman/5.5/en/drop-table.html, dropping with cascade is pointless / misleading:
"RESTRICT and CASCADE are permitted to make porting easier. In MySQL 5.5, they do nothing."
Therefore, in order for the drop statements to work if you need:
SET FOREIGN_KEY_CHECKS = 0
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Run javascript function when user finishes typing instead of on key up?
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knownasilya
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answered Nov 18 '10 at 22:18
Surreal DreamsSurreal Dreams
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What is the difference between syntax and semantics in programming languages?
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If x is a pointer to some data type, the meaning of the statement is to "add sizeof(some data type) to the value at address x and store the result into the location at address x".
If x is a scalar, the meaning of the statement is "add one to the value at address x and store the result into the lo...
Should I store generated code in source control
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GlenGlen
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