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UIPopovercontroller dealloc reached while popover is still visible
... Here I got a simple code that should present a UIImagePickerController within a UIPopoverController :
3 Answers
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WCF chokes on properties with no “set ”. Any workaround?
...d setter, so that only subclasses (and the DataContractSerializer, because it cheats :) may modify the value.
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Displaying better error message than “No JSON object could be decoded”
...dule is vague. For instance, for the case of having a comma after the last item in a list:
json.loads('[1,2,]')
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ValueError: No JSON object could be decoded
which is not very descriptive. The same operation with simplejson:
simplejson.loads('[1,2,]')
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simplejson.decoder.JSONDecodeError: E...
What are the nuances of scope prototypal / prototypical inheritance in AngularJS?
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Quick answer:
A child scope normally prototypically inherits from its parent scope, but not always. One exception to this rule is a directive with scope: { ... } -- this creates an "isolate" scope that does not prototypically inherit. This construct is often used when creating a ...
How to change progress bar's progress color in Android
...an horizontal progress bar in my Android application, and I want to change its progress color (which is Yellow by default). How can I do it using code (not XML)?
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How to convert a string to lower case in Bash?
..." | awk '{print tolower($0)}'
hi all
Non-POSIX
You may run into portability issues with the following examples:
Bash 4.0
$ echo "${a,,}"
hi all
sed
$ echo "$a" | sed -e 's/\(.*\)/\L\1/'
hi all
# this also works:
$ sed -e 's/\(.*\)/\L\1/' <<< "$a"
hi all
Perl
$ echo "$a" | perl -n...
Why do we check up to the square root of a prime number to determine if it is prime?
To test whether a number is prime or not, why do we have to test whether it is divisible only up to the square root of that number?
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Renew Provisioning Profile
...r device (in the left list)
Click on "Add device to provisioning portal"
Wait until it's done !
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How to get an enum which is created in attrs.xml in code
I created a custom View (find it here ) with an declare-styleable attribute of type enum. In xml I can now choose one of the enum entries for my custom attribute. Now I want to create an method to set this value programmatically, but I can not access the enum.
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A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...hole receipt.
At a glance
Get the receipt and verify the transaction. If it fails, refresh the receipt and try again. This makes the verification process asynchronous as refreshing the receipt is asynchronous.
From RMStoreAppReceiptVerifier:
RMAppReceipt *receipt = [RMAppReceipt bundleReceipt];
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