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What's the opposite of head? I want all but the first N lines of a file
Given a text file of unknown length, how can I read, for example all but the first 2 lines of the file? I know tail will give me the last N lines, but I don't know what N is ahead of time.
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WSGI vs uWSGi with Nginx [closed]
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Typo: "1. uwsgi is a protocol not a server." --> "1. WSGI is a protocol not a server."
– Aman
Apr 10 '12 at 22:46
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Can't resize UIView in IB
.../5.0.2 you need to follow the screenshot below:
Under 'File Inspector' -> untick Use Auto Layout
Click on Attributes Selector & Choose Freeform for Size
This is needed when creating a headerView for a tableView
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How Many Seconds Between Two Dates?
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getSeconds() -> Returns the seconds. (Range is 0-59). Should be valueOf() or getTime()
– steven
Jan 7 '10 at 22:44
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How to easily truncate an array with JavaScript?
......) If you're truly looking to truncate an array, you can also use the length attribute:
var stooges = ["Moe", "Larry", "Shemp", "Curly", "Joe"];
stooges.length = 3; // now stooges is ["Moe", "Larry", "Shemp"]
Note: if you assign a length which is longer than current length, undefined array elem...
How do I prevent commands from showing up in Bash history?
...ry
temp_histfile="/tmp/$$.temp_histfile"
grep -v -P '^rm .*-rf' $HISTFILE > $temp_histfile
mv $temp_histfile $HISTFILE
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How can I truncate a double to only two decimal places in Java?
...ic BigDecimal truncateDecimal(double x,int numberofDecimals)
{
if ( x > 0) {
return new BigDecimal(String.valueOf(x)).setScale(numberofDecimals, BigDecimal.ROUND_FLOOR);
} else {
return new BigDecimal(String.valueOf(x)).setScale(numberofDecimals, BigDecimal.ROUND_CEILING);...
Safely remove migration In Laravel
...older and look for the specific line of code such as
'CreateUsersTable' => $baseDir . '/app/database/migrations/2013_07_04_014051_create_users_table.php',
and edit path. Then your rollback should be fine.
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$watch an object
...tle performance tip if somebody has a datastore kind of service with key -> value pairs:
If you have a service called dataStore, you can update a timestamp whenever your big data object changes.
This way instead of deep watching the whole object, you are only watching a timestamp for change.
ap...
What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?
...acter strings can also be cast to an ObjectId. ObjectId("000000000000") --> 303030303030303030303030
– Dan Ross
Oct 15 '16 at 10:24
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