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Can comments be used in JSON?
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No.
The JSON should all be data, and if you include a comment, then it will be data too.
You could have a designated data element called "_comment" (or something) that would be ignored by apps that use the JSON data.
You would probably be better having the...
Apple Mach-O Linker Error when compiling for device
I've just upgraded to xcode 4.0 and I can no longer deploy to iPhone, I get a Apple Mach-O Linker Error, it still works for the simulator though.
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What is the cleanest way to ssh and run multiple commands in Bash?
I already have an ssh agent set up, and I can run commands on an external server in Bash script doing stuff like:
12 Answer...
What is an unsigned char?
...ich gives you at least the 0 to 255 range.
"At least", because the C++ standard only gives the minimum range of values that each numeric type is required to cover. sizeof (char) is required to be 1 (i.e. one byte), but a byte could in theory be for example 32 bits. sizeof would still be report its...
Preloading CSS Images
...eployed clicking on a button. Its fields are set as CSS background images, and they always appears a bit later than the div that have been toggled.
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MySQL/Amazon RDS error: “you do not have SUPER privileges…”
...o load your dump file without errors.
If you want to ignore these errors, and load the rest of the dump file, you can use the -f option:
mysql -f my_database -u my_username -p -h
my_new_database.xxxxxxxxx.us-east-1.rds.amazonaws.com < my_database.sql
The -f will report errors, but will cont...
How do I push to GitHub under a different username?
A friend and myself are sharing my computer. I've made pushes to GitHub using the git bash shell on Windows 7. Now we're in a different project on that computer and I need her to push to her account. But it keeps trying to use my username and saying I don't have access to her repository:
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Choice between vector::resize() and vector::reserve()
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The two functions do vastly different things!
The resize() method (and passing argument to constructor is equivalent to that) will insert or delete appropriate number of elements to the vector to make it given size (it has optional second argument to specify their value). It will affect the ...
How can I find non-ASCII characters in MySQL?
...haracter class in the regular expression. For example, if periods, commas, and hyphens are OK, change the query to:
SELECT * FROM tableName WHERE columnToCheck NOT REGEXP '[A-Za-z0-9.,-]';
The most relevant page of the MySQL documentation is probably 12.5.2 Regular Expressions.
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Are there console commands to look at whats in the queue and to clear the queue in Sidekiq?
...g delayed_jobs method of going into the console to see whats in the queue, and the ease of clearing the queue when needed. Are there similar commands in Sidekiq for this? Thanks!
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