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Dynamic variable names in Bash
...[$1]}
}
If you can't use associative arrays (e.g., you must support bash 3), you can use declare to create dynamic variable names:
declare "magic_variable_$1=$(ls | tail -1)"
and use indirect parameter expansion to access the value.
var="magic_variable_$1"
echo "${!var}"
See BashFAQ: Indirec...
Use of def, val, and var in scala
...esperJesper
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?
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113
Nate C was close, but not quite.
From the docs:
You can evaluate a QuerySet in the followin...
Returning a boolean from a Bash function
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338
Use 0 for true and 1 for false.
Sample:
#!/bin/bash
isdirectory() {
if [ -d "$1" ]
then...
PHP Multidimensional Array Searching (Find key by specific value)
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edited Oct 4 '15 at 13:08
mukama
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answered Nov...
Uploading images using Node.js, Express, and Mongoose
...ocess.stdout.write('Uploading: %' + percent + '\r');
});
});
app.listen(3000);
console.log('Express app started on port 3000');
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What is the purpose of class methods?
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John MillikinJohn Millikin
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Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing
I am using hand crafted SQL to fetch data from a PG database, using SqlAlchemy. I am trying a query which contains the SQL like operator '%' and that seems to throw SqlAlcjhemy through a loop:
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Is AsyncTask really conceptually flawed or am I just missing something?
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hackbodhackbod
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