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How to sort a file, based on its numerical values for a field?
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Take a peek at the man page for sort...
-n, --numeric-sort
compare according to string numerical value
So here is an example...
sort -n filename
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Add a column to a table, if it does not already exist
...columns
WHERE object_id = OBJECT_ID(N'[dbo].[Person]')
AND name = 'ColumnName'
)
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How to generate serial version UID in Intellij
...nable highlight: (Idea v.2016, 2017 and 2018, previous versions may have same or similar settings)
File -> Settings -> Editor -> Inspections -> Java -> Serialization issues -> Serializable class without 'serialVersionUID' - set flag and click 'OK'.
(For Macs, Settings is und...
ExpressJS - throw er Unhandled error event
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You had run another server use the same port like 8080.
Maybe you had run node app in other shell, Please close it and run again.
You can check PORT no. is available or not using
netstat -tulnp | grep <port no>
Alternatively, you can use lsof:
lsof -...
dismissModalViewControllerAnimated deprecated
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The new method is:
[self dismissViewControllerAnimated:NO completion:nil];
The word modal has been removed; As it has been for the presenting API call:
[self presentViewController:vc animated:NO completion:nil];
The reasons wer...
Reading JSON from a file?
I am getting a bit of headache just because a simple looking, easy statement is throwing some errors in my face.
7 Answers
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List all environment variables from the command line
Is it possible to list all environment variables from a Windows' command prompt?
8 Answers
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Chrome Dev Tools - Modify javascript and reload
...s said, next reload the changes will be gone - at least it let's you run some slightly modified JS client side.
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How do I write output in same place on the console?
I am new to python and am writing some scripts to automate downloading files from FTP servers, etc. I want to show the progress of the download, but I want it to stay in the same position, such as:
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Android Get Current timestamp?
I want to get the current timestamp like that : 1320917972
12 Answers
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