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Checking network connection
...f internet_on():
try:
urllib2.urlopen('http://216.58.192.142', timeout=1)
return True
except urllib2.URLError as err:
return False
Currently, 216.58.192.142 is one of the IP addresses for google.com. Change http://216.58.192.142 to whatever site can be expected to ...
How can I do a line break (line continuation) in Python?
...ry, you can add an extra pair of parentheses around an expression, but sometimes using a backslash looks better.
– Jerub
Sep 22 '08 at 2:33
15
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Simple way to encode a string according to a password?
...ges and it packages AES CBC encryption for you with version information, a timestamp and an HMAC signature to prevent message tampering.
Fernet makes it very easy to encrypt and decrypt messages and keep you secure. It is the ideal method for encrypting data with a secret.
I recommend you use Fer...
When to use Amazon Cloudfront or S3
...o go to that specific location with a request, and this will take a lot of time.
What CloudFront does is that it stands as a middleware between user and AWS S3.
The most often used files can be cached on CloudFront and what it does is, it replicates those files on edge locations (To deliver cont...
Free XML Formatting tool [closed]
...
Just FYI, the newest version of Notepad++ (5.9 at the time of writing) does not include TextFX, and getting it to work requires manual building of a DLL. In the Plugin Manager, install the XML Tools plugin -- MUCH easier.
– Alex Beardsley
...
Why does JPA have a @Transient annotation?
...SE keyword transient. So the receivers running on other VMs can save their time to re-calculate again.
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What is the difference between compile and link function in angularjs
...NCTION is one bit of code within a directive, which is run at a particular time BY the compiler SERVICE ($compile).
Some notes about the compile FUNCTION:
You cannot modify the ROOT element (the one your directive affects), since it is already being compiled from the outer level of DOM (the compi...
Single script to run in both Windows batch and Linux Bash?
...MSBuild Task) rather than as independent batch files. Maybe if I have some time in the future I’ll update the answer with the information in these comments…
– binki
Mar 4 '15 at 15:46
...
Difference between Statement and PreparedStatement
...);
preparedStatement.setString(2, person.getEmail());
preparedStatement.setTimestamp(3, new Timestamp(person.getBirthdate().getTime()));
preparedStatement.setBinaryStream(4, person.getPhoto());
preparedStatement.executeUpdate();
and thus don't inline the values in the SQL string by string-concaten...
Using AES encryption in C#
...s/library/system.security.cryptography.symmetricalgorithm.aspx
As of the time of this post, the current list includes:
AesManaged
RijndaelManaged
DESCryptoServiceProvider
RC2CryptoServiceProvider
TripleDESCryptoServiceProvider
To use RijndaelManaged with the code above, as an example, you wo...