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How to get VM arguments from inside of Java application?
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At startup pass this -Dname=value
and then in your code you should use
value=System.getProperty("name");
to get that value
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Django: How to manage development and production settings?
...ttings (by setting the environment), or just run it from your shell before starting Django: export DJANGO_SETTINGS_MODULE=myapp.production_settings.
Note that you can run this export at any time from a shell — it does not need to live in your .bashrc or anything.
Setting DJANGO_SETTINGS_MODULE u...
Extract substring using regexp in plain bash
...l the dash
\s* any space characters (any whitespace character)
\( start capture group
\S* any non-space characters
\) end capture group
.*$ anything at the end
\1 substitute 1st capture group for everything on line
p print it
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Grepping a huge file (80GB) any way to speed it up?
...ave more cores to play with? grep is single-threaded, so you might want to start more of them at different offsets.
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How can I cast int to enum?
.....check if it's in range..." which implies within a range of numbers with starting and ending limits...
– Pap
Aug 18 '14 at 19:20
3
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Iterate over the lines of a string
...plexity. Since I couldn't find the particular comparison made on SO yet, I started a question stackoverflow.com/questions/3055477/… (that surprisingly received more answers than just my own!)
– Wayne Werner
Jun 16 '10 at 17:26
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What does axis in pandas mean?
...hich is where thinking in terms of the axis that the aggregation collapses starts to make more sense than "row-wise" or "column-wise".
– Tom Q.
Sep 18 '15 at 16:47
12
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How to append something to an array?
...te
Just an addition to this answer if you want to prepend any value to the start of an array (i.e. first index) then you can use Array.prototype.unshift for this purpose.
var arr = [1, 2, 3];
arr.unshift(0);
console.log(arr);
It also supports appending multiple values at once just like pus...
Timeout expired. The timeout period elapsed prior to completion of the operation or the server is no
... issue occurs sometimes, and the stack trace indicates your application is starting up, I think you're running a query that is only run on occasionally. You may be better off by forcing SQL Server not to reuse a previous query plan. See this answer for details on how to do that.
I've already touche...
nginx: [emerg] could not build the server_names_hash, you should increase server_names_hash_bucket_s
...re and it works fine, but when I try to add the above mentioned domain and start the server it gives me Job failed. See system journal and 'systemctl status' for details.
I thought it was because of the dashes, so I tried just various other domains with and without hyphens, but no luck. Same erro...