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Why do we need private subnet in VPC?
...outbound access to the Internet. This is where Network Address Translation² and a NAT instance come in.
The machines on a private subnet can access the Internet because the default route on a private subnet is not the VPC "Internet Gateway" object -- it is an EC2 instance configured as a NAT in...
Shell script to send email [duplicate]
...set -x
LANG=fr_FR
# ARG
FROM="foo@bar.com"
TO="foo@bar.com"
SUBJECT="test é"
MSG="BODY éé"
FILES="fic1.pdf fic2.pdf"
# http://fr.wikipedia.org/wiki/Multipurpose_Internet_Mail_Extensions
SUB_CHARSET=$(echo ${SUBJECT} | file -bi - | cut -d"=" -f2)
SUB_B64=$(echo ${SUBJECT} | uuencode --base64 - |...
Convert hex string to int in Python
...nswered Jan 17 '14 at 13:20
André LaszloAndré Laszlo
13.5k22 gold badges5757 silver badges7272 bronze badges
...
Setting background colour of Android layout element
...ID_SDK\samples folder (for various android versions). The whole api sample app comes also preinstalled in every emulator instance.
– user658042
Sep 11 '11 at 14:16
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How to convert std::string to lower case?
...g123. É Ï\n' although characters É Ï and their lower case couterparts 'é' and 'ï', are allowed in french. It seems that no solution for that was provided by other messages of this thread.
– incises
Oct 9 '13 at 8:15
...
Manual deployment vs. Amazon Elastic Beanstalk
...nstance and setting up tomcat server and deploy etc for a typical java web applicaion. Are load balancing, Monitoring and autoscaling the only advantages?
...
String formatting: % vs. .format vs. string literal
...ed Feb 13 '17 at 15:51
Jean-François Corbett
33.6k2525 gold badges124124 silver badges172172 bronze badges
answered Aug 1 '11 at 3:01
...
When to use EntityManager.find() vs EntityManager.getReference() with JPA
...
@Arthur Ronald what happens if there is a Version annotation in the entity called by getReference?
– David Hofmann
Mar 25 '16 at 13:28
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String length in bytes in JavaScript
...ered Sep 20 '17 at 11:43
Iván PérezIván Pérez
1,56611 gold badge1616 silver badges3838 bronze badges
...
Why is React's concept of Virtual DOM said to be more performant than dirty model checking?
...
Here's a comment by React team member Sebastian Markbåge which sheds some light:
React does the diffing on the output (which is a known serializable format, DOM attributes). This means that the source data can be of any format. It can be immutable data structures and state in...