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Run a string as a command within a Bash script
I have a Bash script that builds a string to run as a command
8 Answers
8
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Python: access class property from string [duplicate]
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How I can access x.y according to the value string of v?
– user2284570
Sep 4 '17 at 1:48
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Regex doesn't work in String.matches()
...matcher:
Pattern p = Pattern.compile("[a-z]");
Matcher m = p.matcher(inputstring);
if (m.find())
// match
If what you want is indeed to see if an input only has lowercase letters, you can use .matches(), but you need to match one or more characters: append a + to your character class, as in [...
Why are joins bad when considering scalability?
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@slolife regular sql views are like running an extra query in the background on the fly when you use a query that references the view. But you can also tell sql server to "materialize" some views. When you do this, sql server will keep an extra copy of the view's data, j...
How do I push amended commit to the remote Git repository?
... .git/config branch section).
And after
git push
Maybe you will get an extra commit with the subject telling about a "Trivial merge".
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How to convert JSON data into a Python object
...ad solution. Not scalable at all. You'll need to maintain fields' names as string and as field. If you'll want to refactor your fields the decoding will fail (of course the already serialized data will no longer be relevant anyway). The same concept is already implemented well with jsonpickle
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Constructors in JavaScript objects
... this.set_name = function (value) {
if (typeof value != 'string')
throw 'Name must be a string';
if (value.length < 2 || value.length > 20)
throw 'Name must be 2-20 characters long.';
name = value;
};
};
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POSTing JsonObject With HttpClient From Web API
... HttpClient and without the WebApi package it would be:
var content = new StringContent(jsonObject.ToString(), Encoding.UTF8, "application/json");
var result = client.PostAsync(url, content).Result;
Or if you want it async:
var result = await client.PostAsync(url, content);
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Hidden Features of SQL Server
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Connection String extras:
MultipleActiveResultSets=true;
This makes ADO.Net 2.0 and above read multiple, forward-only, read-only results sets on a single database connection, which can improve performance if you're doing a lot of read...
How do I set a variable to the output of a command in Bash?
... it's only the quotes that are important re: whether expansion results are string-split and glob-expanded before being passed to the echo command.
– Charles Duffy
Apr 21 '15 at 15:37
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