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Xcode 4 and Core Data: How to enable SQL Debugging
I'm working on a universal iOS app and I'd like to see the raw SQL in the logs when I'm debugging. There is some info in this blog post about how to enable raw SQL logging for iOS Core Data development. The given example is for Xcode 3 and it's just not clear to me how to enable this in Xcode 4.
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AngularJS $http and $resource
...hasize that $resource expects object or array as response from server, not raw string. So if you have raw string (or anything except object and array) as a response, you have to use $http
share
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im...
C++, copy set to vector
...n output iterator directly to std::copy, you must make sure it points to a range that is at least large enough to hold the input range.
std::back_inserter creates an output iterator that calls push_back on a container for each element, so each element is inserted into the container. Alternatively,...
Why is there no std::stou?
...n stoul and a hypothetical stou would be a check that the result is in the range of unsigned:
unsigned stou(std::string const & str, size_t * idx = 0, int base = 10) {
unsigned long result = std::stoul(str, idx, base);
if (result > std::numeric_limits<unsigned>::max()) {
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Get underlying NSData from UIImage
...ct with init(data: originalData), that originalData will be converted into raw data in some kind of internal format. These data can be retrieved later with
let rawData = myImage.cgImage?.dataProvider?.data as Data?
However because the rawData is raw, it is going to be even larger than when using ...
Can I convert long to int?
...method
But it will throw an OverflowException if it the value is outside range of the Int32 Type.
A basic test will show us how it works:
long[] numbers = { Int64.MinValue, -1, 0, 121, 340, Int64.MaxValue };
int result;
foreach (long number in numbers)
{
try {
result = Convert.ToInt32...
Bitwise operation and usage
...n.
As a concrete example, imagine some one gives you a file that contains raw data that was captured directly by telecommunication hardware. In this case, in order to find the frames, you will need to read the raw bytes in the file and try to find some kind of synchronization words, by scanning th...
How do you calculate the average of a set of circular data? [closed]
.... The first line computes the relative angle of a with respect to b in the range [-180, 179], the second computes the middle angle from that. I'd use b + diff/2 instead of a - diff/2 for clarity.
– starblue
Jul 21 '09 at 14:42
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Get key by value in dictionary
...n each method 100000 times:
Method 1:
>>> profile.run("for i in range(0,100000): method1(list,16)")
200004 function calls in 1.173 seconds
Method 2:
>>> profile.run("for i in range(0,100000): method2(list,16)")
200004 function calls in 1.222 seconds
Method 3:
>...
Should sorting logic be placed in the model, the view, or the controller? [closed]
...everything but the sorting logic to a single third model. docs.google.com/drawings/d/…
– rightfold
Dec 11 '15 at 14:03
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