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docker mounting volumes on host
...> /myvol/greeting
VOLUME /myvol
build the image:
$ docker build -t testing_volume .
Run the container, say container1:
$ docker run -it <image-id of above image> bash
Now run another container with volumes-from option as (say-container2)
$ docker run -it --volumes-from <id-o...
How do you validate a URL with a regular expression in Python?
... return url is not None and regex.search(url)
You can always check the latest version here: https://github.com/django/django/blob/master/django/core/validators.py#L74
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Is SHA-1 secure for password storage?
...ack is an attack where the attacker has all the data he needs in order to "test" passwords; e.g. the attacker could get a copy of the database holding the hashed passwords. In an offline attack, the attacker is limited only by his computational resources. Conversely, an online attack is an attack wh...
Why does pthread_cond_wait have spurious wakeups?
...es - How about the classic "spurious" EINTR? I will agree that constantly testing for EINTR in a loop is a tad annoying and makes code rather ugly but developers do it anyway to avoid random breakages.
– CubicleSoft
May 23 '16 at 9:42
...
Cocoa: What's the difference between the frame and the bounds?
...lf
In addition to reading the above articles, it helps me a lot to make a test app. You might want to try to do something similar. (I got the idea from this video course but unfortunately it isn't free.)
Here is the code for your reference:
import UIKit
class ViewController: UIViewController {...
What does “fragment” mean in ANTLR?
...arser.ContentContext):
pass
# (For Case1 Only) enable it when testing Case1
# Exit a parse tree produced by AlphabetParser#rule0.
def exitRule0(self, ctx:AlphabetParser.Rule0Context):
print(ctx.getText())
# end-of-class
def main():
file_name = sys.argv[1]
input ...
How to get UTF-8 working in Java webapps?
...s info, in case anyone else has a similar problem.
– testing123
Dec 7 '11 at 15:33
3
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How does a public key verify a signature?
...em -pubin -in message.ssl -out message.txt
Below is an example script to test this whole flow with openssl.
#!/bin/sh
# Create message to be encrypted
echo "Creating message file"
echo "---------------------"
echo "My secret message" > message.txt
echo "done\n"
# Create asymmetric keypair
ech...
What is hashCode used for? Is it unique?
...de is a numeric value that is used to identify an object
during equality testing. It can also serve as an index for an object
in a collection.
The GetHashCode method is suitable for use in hashing algorithms and
data structures such as a hash table.
The default implementation of the ...
When to use the brace-enclosed initializer?
...
Hmm, you're right - I was testing with GCC 4.5 earlier which seemed to confirm what I was saying, but GCC 4.6 does agree with you. And I did miss the fact that you were talking about in-class initialization. My apologies.
– inter...