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What is the default value for enum variable?
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It is whatever member of the enumeration represents the value 0. Specifically, from the documentation:
The default value of an enum E is the value produced by the expression (E)0.
As an example, take the following enum:
enum E
{
Foo, Bar, Baz, Quux
}
Without overriding the ...
CGContextDrawImage draws image upside down when passed UIImage.CGImage
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Instead of
CGContextDrawImage(context, CGRectMake(0, 0, 145, 15), image.CGImage);
Use
[image drawInRect:CGRectMake(0, 0, 145, 15)];
In the middle of your begin/end CGcontext methods.
This will draw the image with the correct orientation into your current image context...
How to specify a min but no max decimal using the range data annotation attribute?
I would like to specify that a decimal field for a price must be >= 0 but I don't really want to impose a max value.
10 Ans...
In-Place Radix Sort
...ngth passes through the array.
void radixSort(string[] seqs, size_t base = 0) {
if(seqs.length == 0)
return;
size_t TPos = seqs.length, APos = 0;
size_t i = 0;
while(i < TPos) {
if(seqs[i][base] == 'A') {
swap(seqs[i], seqs[APos++]);
i++;...
How to convert ‘false’ to 0 and ‘true’ to 1 in Python
... to convert true of type unicode to 1 and false of type unicode to 0 (in Python)?
7 Answers
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Which MySQL data type to use for storing boolean values
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For MySQL 5.0.3 and higher, you can use BIT. The manual says:
As of MySQL 5.0.3, the BIT data type is used to store bit-field
values. A type of BIT(M) enables storage of M-bit values. M can range
from 1 to 64.
Otherwise, according to t...
Difference between toFixed() and toPrecision()?
...For completeness, I should mention that toFixed() is equivalent to toFixed(0) and toPrecision() just returns the original number with no formatting.
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How does a UILabel's minimumScaleFactor work?
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205
You need to set the label.adjustsFontSizeToFitWidth = YES;
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How can I generate random alphanumeric strings?
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1750
I heard LINQ is the new black, so here's my attempt using LINQ:
private static Random random = ...
Get ffmpeg information in friendly way
... would yield something like the following:
{
"streams": [{
"index": 0,
"codec_name": "wmv3",
"codec_long_name": "Windows Media Video 9",
"codec_type": "video",
"codec_time_base": "1/1000",
"codec_tag_string": "WMV3",
"codec_tag": "0x33564d57",
"width": 320,
"he...