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What are the differences between poll and select?
...evens@noao.edu):
The basic difference is that select()'s fd_set is a bit mask and
therefore has some fixed size. It would be possible for the kernel to
not limit this size when the kernel is compiled, allowing the
application to define FD_SETSIZE to whatever it wants (as the comments
i...
How to select date from datetime column?
I have a column of type "datetime" with values like 2009-10-20 10:00:00
8 Answers
8
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C# elegant way to check if a property's property is null
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In C# 6 you can use the Null Conditional Operator. So the original test will be:
int? value = objectA?.PropertyA?.PropertyB?.PropertyC;
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How can I “disable” zoom on a mobile web page?
I am creating a mobile web page that is basically a big form with several text inputs.
10 Answers
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Do you have to include ?
...icon.ico, you can use that tag to specify the actual path (incase you have it in an images/ directory). The browser/webpage looks for favicon.ico in the root directory by default.
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Trim spaces from end of a NSString
...he end of a string. How can I do that?
Example: if string is "Hello " it must become "Hello"
14 Answers
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How do I wait for an asynchronously dispatched block to finish?
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Trying to use a dispatch_semaphore. It should look something like this:
dispatch_semaphore_t sema = dispatch_semaphore_create(0);
[object runSomeLongOperationAndDo:^{
STAssert…
dispatch_semaphore_signal(sema);
}];
if (![NSThread isMainThread]) {
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Get nested JSON object with GSON using retrofit
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You would write a custom deserializer that returns the embedded object.
Let's say your JSON is:
{
"status":"OK",
"reason":"some reason",
"content" :
{
"foo": 123,
"bar": "some value"
}
}
You'd the...
Convert .pem to .crt and .key
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edited Aug 26 '13 at 11:15
ThiefMaster
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How to have git log show filenames like svn log -v
...'s log has a "-v" mode that outputs filenames of files changed in each commit, like so:
11 Answers
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