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Get program execution time in the shell
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Use the built-in time keyword:
$ help time
time: time [-p] PIPELINE
Execute PIPELINE and print a summary of the real time, user CPU time,
and system CPU time spent executing PIPELINE when it terminates.
The return status is the return status of PIPELINE. The `-p' option
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How to copy a directory structure but only include certain files (using windows batch files)
As the title says, how can I recursively copy a directory structure but only include some files. E.g given the following directory structure:
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How to render a DateTime object in a Twig template
One of my fields in one of my entities is a "datetime" variable.
9 Answers
9
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Enable remote connections for SQL Server Express 2012
...ve this issue:
Go to START > EXECUTE, and run CLICONFG.EXE.
The Named Pipes protocol will be first in the list.Demote it, and promote TCP/IP.
Test the application thoroughly.
I hope this help.
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GIT: Checkout to a specific folder
...s, not directories. To apply it to directories, use the 'find' command and pipe the output to git.
find dirname -print0 | git checkout-index --prefix=/path-to/dest/ -f -z --stdin
Also from the man pages:
Intuitiveness is not the goal here. Repeatability is.
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How to prettyprint a JSON file?
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lol :D @gismo-ranas The json.tool version piped to a file works really really well on large files; and is stupidly fast. I like JQ but formatting anything beyond a small payload (which you could do in most text editors) is beyond its reach :) Random addition: json-ge...
How to compare two floating point numbers in Bash?
I am trying hard to compare two floating point numbers within a bash script. I have to variables, e.g.
17 Answers
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Java regular expression OR operator
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You can just use the pipe on its own:
"string1|string2"
for example:
String s = "string1, string2, string3";
System.out.println(s.replaceAll("string1|string2", "blah"));
Output:
blah, blah, string3
The main reason to use parentheses is t...
How do I dump the data of some SQLite3 tables?
... you could also write < database.sql grep '^INSERT' ... but an explicit pipe is much easier to read.
– rjh
Feb 15 '16 at 14:49
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Why is it said that “HTTP is a stateless protocol”?
...rotocols at different layers in the stack. You could serve HTTP over named pipes if you wanted, or even by sending files around, if you got enough masochists to agree to do it, and it would work precisely because HTTP is transport-protocol-agnostic. At that level, it's all just requests and response...