大约有 21,000 项符合查询结果（耗时：0.0584秒） [XML]
how do I check in bash whether a file was created more than x time ago?
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function file-age { FILE_CREATED_TIME=`date -r "$1" +%s`; TIME_NOW=`date +%s`; echo "$[ ${TIME_NOW} - ${FILE_CREATED_TIME} ]"; }
– turiyag
Apr 28 '18 at 18:50
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When should I create a destructor?
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Awesome article Eric. Props for this --> "Extra bonus fun: the runtime uses less aggressive code generation and less aggressive garbage collection when running the program in the debugger, because it is a bad debugging experience to have objects that you are debugging suddenly d...
What good technology podcasts are out there?
...I. Same guy who does Polymorphic Podcast)
tech5 (Consumer Tech. Mostly a fun waste of 5 minutes because Dvorak is so... Spolsky.)
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edited Sep 14 '09 at 9:16
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Printing the last column of a line in a file
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Using Perl
$ cat rayne.txt
A1 123 456
B1 234 567
C1 345 678
A1 098 766
B1 987 6545
C1 876 5434
$ perl -lane ' /A1/ and $x=$F[2] ; END { print "$x" } ' rayne.txt
766
$
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How do I parse a URL query parameters, in Javascript? [duplicate]
...ter for the first one). For your example, the above would result in:
{v: "123", p: "hello"}
Here's a working example.
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How to generate keyboard events in Python?
....com/questions/281133/controlling-the-mouse-from-python-in-os-x
# and from https://developer.apple.com/library/mac/documentation/Carbon/Reference/QuartzEventServicesRef/index.html#//apple_ref/c/func/CGEventCreateKeyboardEvent
def KeyDown(k):
keyCode, shiftKey = toKeyCode(k)
time.sleep(0.0...
Undoing a git rebase
...ou can rearrange your history into pretty much any shape whatsoever.
Have fun. :-)
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How can I import a database with MySQL from terminal?
...ple:
mysql -u root -p wp_users < wp_users.sql
mysql -u root -pPassword123 wp_users < wp_users.sql
See also:
4.5.1.5. Executing SQL Statements from a Text File
Note: If you are on windows then you will have to cd (change directory) to your MySQL/bin directory inside the CMD before exec...
Detect If Browser Tab Has Focus
...better way to solve this problem.
var focused = true;
window.onfocus = function() {
focused = true;
};
window.onblur = function() {
focused = false;
};
AFAIK, focus and blur are all supported on...everything. (see http://www.quirksmode.org/dom/events/index.html )
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How to remove convexity defects in a Sudoku square?
...ove, with some of the missing code added (i.e., labeling of points).
'''
https://stackoverflow.com/questions/10196198/how-to-remove-convexity-defects-in-a-sudoku-square
'''
import cv2
import numpy as np
img = cv2.imread('test.png')
winname="raw image"
cv2.namedWindow(winname)
cv2.imshow(winnam...