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How to make “if not true condition”?
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Here is an answer by way of example:
In order to make sure data loggers are online a cron script runs every 15 minutes that looks like this:
#!/bin/bash
#
if ! ping -c 1 SOLAR &>/dev/null
then
echo "SUBJECT: SOLAR is not responding to ping" | ssmtp abc@d...
Two color borders
Client wants two color borders for an embossed look. Can I do this on one element? I was hoping to avoid stacking two DOM elements with individual borders.
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Ways to implement data versioning in MongoDB
..., content: "bar" }
]
}
data contains all versions. The data array is ordered, new versions will only get $pushed to the end of the array. data.vid is the version id, which is an incrementing number.
Get the most recent version:
find(
{ "_id":ObjectId("...") },
{ "data":{ $slice:-1 } ...
Jquery live() vs delegate() [duplicate]
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How to set transform origin in SVG
...nsform uses the same notation as for SVGs, so the same six numbers in that order should work.
– Peter Collingridge
Aug 1 '14 at 11:17
1
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Razor view engine, how to enter preprocessor(#if debug)
...ompiled so #IF DEBUG can't work in a view. If you want to compile view in order to access IF DEBUG config, you need to :
Right click on your project in Visual Studio
Unload project
Edit project
change the following attribute from false to true
<MvcBuildViews>true</MvcBuildViews>
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MySQL: Selecting multiple fields into multiple variables in a stored procedure
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Your syntax isn't quite right: you need to list the fields in order before the INTO, and the corresponding target variables after:
SELECT Id, dateCreated
INTO iId, dCreate
FROM products
WHERE pName = iName
sha...
Colored logcat in android studio by colorpid
...ce.
NOTE: make sure you un-check the Inherit Attributes From: checkbox in order to edit the scheme.
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How to convert Milliseconds to “X mins, x seconds” in Java?
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You should do a checking there for single/multiple, in order to avoid this kind of situation : 1 Days 1 Hours 1 Minutes 1 Seconds
– Daniel
Jul 2 '14 at 7:21
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Learning WebGL and three.js [closed]
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For a first 3d project, experts suggest using a library like Three.js in order to get used to the terms and the general 3d model.
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