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How can I format a nullable DateTime with ToString()?
...alue.ToString("yyyy-MM-dd hh:mm:ss") : "n/a");
EDIT: As stated in other comments, check that there is a non-null value.
Update: as recommended in the comments, extension method:
public static string ToString(this DateTime? dt, string format)
=> dt == null ? "n/a" : ((DateTime)dt).ToStri...
Creating a URL in the controller .NET MVC
...isense will give you the meaning of each of the parameters.
Update from comments: controller already has a UrlHelper:
string url = this.Url.Action("About", "Home", null);
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Viewing contents of a .jar file
...ystem or user PATH environment variable before you can use jar as a system command. (Where <version> is your jdk version-build number. Check it in C:\Program Files\Java)
– Tezra
Jul 31 '17 at 14:09
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Enable IIS7 gzip
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Configuration
You can enable GZIP compression entirely in your Web.config file. This is particularly useful if you're on shared hosting and can't configure IIS directly, or you want your config to carry between all environments you target.
<system.webSer...
File content into unix variable with newlines
... why newlines are replaced with spaces is not entirely to do with the echo command, rather it's a combination of things.
When given a command line, bash splits it into words according to the documentation for the IFS variable:
IFS: The Internal Field Separator that is used for word splitting af...
How to include “zero” / “0” results in COUNT aggregate?
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Is an index needed for a primary key in SQLite?
...constraint) on the parent/referenced field(s) if it doesn't exist; it is recommended that the child/referencing field(s) have an index (which usually won't be unique): see here
– TripeHound
Mar 20 '14 at 14:01
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Check if a value is within a range of numbers
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You're asking a question about numeric comparisons, so regular expressions really have nothing to do with the issue. You don't need "multiple if" statements to do it, either:
if (x >= 0.001 && x <= 0.009) {
// something
}
You could write yourse...
NSDefaultRunLoopMode vs NSRunLoopCommonModes
...esome blog post by Jörn suggests an alternative option, using NSRunLoopCommonModes for connection.
1 Answer
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Converting dict to OrderedDict
...istro for Raspberry Pi. I am trying to print two dictionaries in order for comparison (side-by-side) for a text-adventure. The order is essential to compare accurately.
No matter what I try the dictionaries print in their usual unordered way.
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