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iPhone Data Usage Tracking/Monitoring
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The thing is that pdp_ip0 is one of interfaces, all pdpXXX are WWAN interfaces dedicated to different functions, voicemail, general networking interface.
I read in Apple forum that :
The OS does not keep network statistics on a process-by-process basis. As such, there's n...
Getting ssh to execute a command in the background on target machine
This is a follow-on question to the How do you use ssh in a shell script? question. If I want to execute a command on the remote machine that runs in the background on that machine, how do I get the ssh command to return? When I try to just include the ampersand (&) at the end of the command it ...
how do I use the grep --include option for multiple file types?
...feature of bash, ksh, and zsh.
In other words: do not try to use it in a script that targets /bin/sh - use explicit multiple --include arguments in that case.
grep itself does not understand {...} notation.
For a brace expansion to be recognized, it must be an unquoted (part of a) token on the c...
How can I auto increment the C# assembly version via our CI platform (Hudson)?
...ormation from this one file.
In you source control, you add a bat file or script file that simply increments the SharedAssemblyProperties.cs file and all of your projects will update their assembly information from that file.
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How do I filter an array with AngularJS and use a property of the filtered object as the ng-model at
...{ commission_type_id: 6}, true))[0];
Yet still, I prefer this (I use typescript, hence the "Let" and =>):
let obj = this.$filter('filter')(this.CommissionTypes, (item) =>{
return item.commission_type_id === 6;
})[0];
I do that because, at some point down the road...
Combining two Series into a DataFrame in pandas
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this actually avoids copying too (as compared to the dict solution)
– Jeff
Aug 5 '13 at 16:27
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System.IO.Packaging
...the docs for any of the actual methods/objects/etc. in the namespace, they all say "Assembly: WindowBase.dll"
– dlev
Aug 31 '11 at 16:39
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Is it possible to put CSS @media rules inline?
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Note to future explorers that the <script> tag is often stripped by email clients when an email is forwarded, so people tend towards using in-line styles for emails. And this means no media queries. I'm currently searching for the best practices for this si...
How to solve “Could not establish trust relationship for the SSL/TLS secure channel with authority”
Really thought I had this issue fixed, but it was only disguised before.
17 Answers
1...
How to get the original value of an attribute in Rails
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Before rails 5.1
Appending _was to your attribute will give you the previous value.
For rails 5.1+
Copied from Lucas Andrade's answer below: https://stackoverflow.com/a/50973808/9359123
Appending _was is deprecated in rails 5.1, now you should ap...