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How to create a bash script to check the SSH connection?
... user@downhost exit
$ echo $?
255
$ ssh -q user@uphost exit
$ echo $?
0
EDIT: Another approach would be to use nmap (you won't need to have keys or login-stuff):
$ a=`nmap uphost -PN -p ssh | grep open`
$ b=`nmap downhost -PN -p ssh | grep open`
$ echo $a
22/tcp open ssh
$ echo $b
(empty string...
“SetPropertiesRule” warning message when starting Tomcat from Eclipse [duplicate]
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edited Aug 22 '11 at 9:21
community wiki
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Convert generic List/Enumerable to DataTable?
...er.Create(data, "Id", "Name", "Description")) {
table.Load(reader);
}
Editor's Dis/claimer: FastMember is a Marc Gravell project. It's gold and full-on flies!
Yes, this is pretty much the exact opposite of this one; reflection would suffice - or if you need quicker, HyperDescriptor in 2.0, or ...
Should accessing SharedPreferences be done off the UI Thread?
...rally slower than reads, though, so be sure you're using SharedPreferenced$Editor.apply() instead of commit(). apply() is new in GB and async (but always safe, careful of lifecycle transitions). You can use reflection to conditionally call apply() on GB+ and commit() on Froyo or below. I'll be do...
Git alias with positional parameters
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edited Mar 4 '18 at 13:20
Eugen Konkov
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How does `scp` differ from `rsync`?
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edited Sep 30 '17 at 8:40
kmario23
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How to use R's ellipsis feature when writing your own function?
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edited Oct 25 '12 at 2:58
D. Woods
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Why does NULL = NULL evaluate to false in SQL server
...at they ARE equal. This behavior is defined in the ANSI SQL-92 standard.
EDIT:
This depends on your ansi_nulls setting. if you have ANSI_NULLS off, this WILL evaluate to true. Run the following code for an example...
set ansi_nulls off
if null = null
print 'true'
else
print 'false'
s...
Spring schemaLocation fails when there is no internet connection
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edited Feb 19 '10 at 1:06
ax.
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Find unused code [closed]
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edited Jun 12 '17 at 13:52
Patrick from NDepend team
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