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How can I parse a local JSON file from assets folder into a ListView?
...a physics app that is supposed to show a list of formulas and even solve some of them (the only problem is the ListView )
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Can't launch my app in Instruments: At least one target failed to launch
I have all my code signing entitlements set correctly. Running the app on my phone is fine, but launching it in instruments gives me an error message:
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Can I export a variable to the environment from a bash script without sourcing it?
... several possible workarounds.
The most obvious one, which you've already mentioned, is to use source or . to execute the script in the context of the calling shell:
$ cat set-vars1.sh
export FOO=BAR
$ . set-vars1.sh
$ echo $FOO
BAR
Another way is to have the script, rather than setting an env...
.prop() vs .attr()
...riginal answer applies specifically to jQuery 1.6. My advice remains the same but jQuery 1.6.1 changed things slightly: in the face of the predicted pile of broken websites, the jQuery team reverted attr() to something close to (but not exactly the same as) its old behaviour for Boolean attributes. ...
Getting the name of a variable as a string
This thread discusses how to get the name of a function as a string in Python:
How to get a function name as a string?
23 ...
Loop through each row of a range in Excel
...I may well have been told it in the past), but I'm scratching my head to remember it.
4 Answers
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Elegant Python function to convert CamelCase to snake_case?
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Camel case to snake case
import re
name = 'CamelCaseName'
name = re.sub(r'(?<!^)(?=[A-Z])', '_', name).lower()
print(name) # camel_case_name
If you do this many times and the above is slow, compile the regex beforehand:
p...
Python/postgres/psycopg2: getting ID of row just inserted
...ssary to escape and SQL injection impossible:
sql_string = "INSERT INTO domes_hundred (name,name_slug,status) VALUES (%s,%s,%s) RETURNING id;"
cursor.execute(sql_string, (hundred_name, hundred_slug, status))
hundred = cursor.fetchone()[0]
See the psycopg docs for more details: http://initd.org/ps...
Classes vs. Modules in VB.NET
...dered an acceptable practice to use Modules instead of Classes with Shared member functions in VB.NET?
8 Answers
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Defining a variable with or without export
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export makes the variable available to sub-processes.
That is,
export name=value
means that the variable name is available to any process you run from that shell process. If you want a process to make use of this variable, use export, and run the process from that shell.
name=value
means the...