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Class vs. static method in JavaScript
...t=2
mouse.showName();//instance method, alert "Mickey"
mouse.showCount();//Error!! mouse.showCount is not a function, which is different from Java
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What is the difference between a symbolic link and a hard link?
Recently I was asked this during a job interview. I was honest and said I knew how a symbolic link behaves and how to create one, but do not understand the use of a hard link and how it differs from a symbolic one.
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I do not want to inherit the child opacity from the parent in CSS
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answered Mar 22 '13 at 4:05
Louis L.Louis L.
44544 silver badges1010 bronze badges
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How to allow http content within an iframe on a https site
...e but when a file referenced is using http, not https, I get the following error:
9 Answers
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Amazon S3 boto - how to create a folder?
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Thanks for the help, I am getting below error. can you please help me .botocore.exceptions.NoCredentialsError: Unable to locate credentials
– Anvesh
Dec 18 '17 at 7:19
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How to convert string to boolean php
...ofcourse the lower one returns false. In fact, it throws a fatal :) "Fatal error: Only variables can be passed by reference". $a = 'False'; settype($a,'boolean'); var_dump($a); will indeed return false.
– Rob
Oct 24 '16 at 6:55
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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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AttributeError: 'module' object has no attribute 'tests'
...as that my test couldn't find an import.
It looks like you get the above error if your test fails to import. This makes sense because the test suite can't import a broken test. At least I think this is what is going on because I fixed the import within my test file and sure enough it started worki...
Check to see if python script is running
...bind('\0' + process_name)
print 'I got the lock'
except socket.error:
print 'lock exists'
sys.exit()
get_lock('running_test')
while True:
time.sleep(3)
It is atomic and avoids the problem of having lock files lying around if your process gets sent a SIGKILL
You can...
Downloading images with node.js [closed]
...am(image_path))
.on('finish', () => resolve())
.on('error', e => reject(e));
}),
);
/* ============================================================
Download Images in Order
============================================================ */
(async () => {
let e...