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How to use LINQ to select object with minimum or maximum property value
...de those entries with null DateOfBirth field:
Null DateOfBirth values are set to DateTime.MaxValue in order to rule them out of the Min consideration (assuming at least one has a specified DOB).
It can be achieved with a pre-filtering
people.Where(p => p.DateOfBirth.HasValue)
So it's immateria...
Why is the standard session lifetime 24 minutes (1440 seconds)?
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One reference to PHP4 default settings: github.com/php/php-src/blob/PHP-4.0/ext/session/session.c
– CXJ
Aug 11 '17 at 17:44
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Exit a Script On Error
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If you put set -e in a script, the script will terminate as soon as any command inside it fails (i.e. as soon as any command returns a nonzero status). This doesn't let you write your own message, but often the failing command's own mes...
BASH copy all files except one
I would like to copy all files out of a dir except for one named Default.png. It seems that there are a number of ways to do this. What seems the most effective to you?
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How can I disable logging while running unit tests in Python Django?
...al to CRITICAL. Logging can be re-enabled with
logging.disable(logging.NOTSET)
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node and Error: EMFILE, too many open files
...sole.log filename), but only when the current queue is under the limit you set previously.
async.queue get information about availability of the queue through a callback, this callback is called only when data file is read and any action you have to do is achieved. (see fileRead method)
So you ca...
do { … } while (0) — what is it good for? [duplicate]
I've been seeing that expression for over 10 years now. I've been trying to think what it's good for. Since I see it mostly in #defines, I assume it's good for inner scope variable declaration and for using breaks (instead of gotos.)
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Creating a blurring overlay view
...his view controller modally to blur the underlying content, you'll need to set the modal presentation style to Over Current Context and set the background color to clear to ensure the underlying view controller will remain visible once this is presented overtop.
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MySQL DISTINCT on a GROUP_CONCAT()
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
brew update: The following untracked working tree files would be overwritten by merge:
... forget to fetch the origin!!!
$ cd /usr/local
$ git fetch origin
$ git reset --hard origin/master
Explanation, for those interested:
What happens is that you are trying to update brew, but brew itself is either not up to date (likely), there is a permissions change via some OS update (also likel...