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Add Keypair to existing EC2 instance
I was given AWS Console access to an account with 2 instances running that I cannot shut down (in production). I would however like to gain SSH access to these instances, is it possible to create a new Keypair and apply it to the instances so I can SSH in? Obtaining the exisiting pem file for the ke...
Checking for the correct number of arguments
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218
#!/bin/sh
if [ "$#" -ne 1 ] || ! [ -d "$1" ]; then
echo "Usage: $0 DIRECTORY" >&2
e...
Remove all the children DOM elements in div
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286
while (node.hasChildNodes()) {
node.removeChild(node.lastChild);
}
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Best way to do multi-row insert in Oracle?
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answered Sep 2 '08 at 14:08
EspoEspo
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Maximum length for MD5 input/output
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244
MD5 processes an arbitrary-length message into a fixed-length output of 128 bits, typically re...
How to remove a package in sublime text 2
...would like to remove and/or deactivate the Emmet package in Sublime Text 2.
7 Answers
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List attributes of an object
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321
>>> class new_class():
... def __init__(self, number):
... self.multi = int(numb...
Explicitly calling return in a function or not
...turn. The following plot is created from data selected this way:
bench_nor2 <- function(x,repeats) { system.time(rep(
# without explicit return
(function(x) vector(length=x,mode="numeric"))(x)
,repeats)) }
bench_ret2 <- function(x,repeats) { system.time(rep(
# with explicit return
(function(...
How to fix Error: “Could not find schema information for the attribute/element” by creating schema
I have a windows forms application written in VS2010 with C# and get the following errors in the app.config file:
10 Answ...
SQL Logic Operator Precedence: And and Or
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296
And has precedence over Or, so, even if a <=> a1 Or a2
Where a And b
is not the same...