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How can I default a parameter to Guid.Empty in C#?
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Solution
You can use new Guid() instead
public void Problem(Guid optional = new Guid())
{
// when called without parameters this will be true
var guidIsEmpty = optional == Guid.Empty;
}
You can also use default(Guid)
default(Guid) also wi...
Node / Express: EADDRINUSE, Address already in use - Kill server
... currently running stacks here and there) it makes no sense to put that inside the exit event...
On crash, do process.on('uncaughtException', ..) and on kill do process.on('SIGTERM', ..)
That being said, SIGTERM (default kill signal) lets the app clean up, while SIGKILL (immediate termination) won...
How to merge a list of lists with same type of items to a single list of items?
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Do you mean this?
var listOfList = new List<List<int>>() {
new List<int>() { 1, 2 },
new List<int>() { 3, 4 },
new List<int>() { 5, 6 }
};
var list = new List<int> { 9, 9, 9 };
var result = list.Concat(listOfList...
Can the Android drawable directory contain subdirectories?
In the Android SDK documentation, all of the examples used with the @drawable/my_image xml syntax directly address images that are stored in the res/drawable directory in my project.
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Generating an MD5 checksum of a file
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I'm clearly not adding anything fundamentally new, but added this answer before I was up to commenting status, plus the code regions make things more clear -- anyway, specifically to answer @Nemo's question from Omnifarious's answer:
I happened to be thinking about chec...
Difference between timestamps with/without time zone in PostgreSQL
...rting timestamptz to a time zone you are asking what did the clock show in New York at this absolute point in time? whereas when "converting" a timestamp, you're asking what was the absolute point in time when the clock in New York showed x?
– fphilipe
Mar 27 '...
How to branch with TortoiseHG
... branch: default button near the top of the commit dialog, and change to a new branch name.
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How to open existing project in Eclipse
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Try File > New > Project... > Android Project From Existing Code.
Don't copy your project from pc into workspace, copy it elsewhere and let the eclipse copy it into workspace by menu commands above and checking copy in existing wo...
Why does sed not replace all occurrences?
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f15849119%2fwhy-does-sed-not-replace-all-occurrences%23new-answer', 'question_page');
}
);
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How do I check for last loop iteration in Django template?
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Is this a feature of a newer Jinja version? Getting "rendering template: 'forloop' is undefined" on {% if not(forloop.last) %} , {% endif %}
– Tagar
Mar 20 '17 at 23:15
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