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What's the difference between IEquatable and just overriding Object.Equals()?
...bj is not of type EntityBase, it will pass "null" and continue without any error or exception, But in case of "(EntityBase)obj", it will forcefully try to cast the obj to EntityBase and if the obj is not of type EntityBase, it will throw InvalidCastException. And yes, "as" can only be applied to ref...
Create batches in linq
...e into sized buckets (MoreLINQ is available as a NuGet package you can install):
int size = 10;
var batches = sequence.Batch(size);
Which is implemented as:
public static IEnumerable<IEnumerable<TSource>> Batch<TSource>(
this IEnumerable<TSource> source,...
How can I create an error 404 in PHP?
...esponse_code(404);
include('my_404.php'); // provide your own HTML for the error page
die();
die() is not strictly necessary, but it makes sure that you don't continue the normal execution.
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git command to move a folder inside another
...e move.
Note: "git mv A B/", when B does not exist as a directory, should error out, but it didn't.
See commit c57f628 by Matthieu Moy (moy) for Git 1.9/2.0 (Q1 2014):
Git used to trim the trailing slash, and make the command equivalent to 'git mv file no-such-dir', which created the file no-such-...
How do you round a floating point number in Perl?
.... For rounding to a certain number of digits, sprintf() or printf() is usually the easiest
route.
printf("%.3f", 3.1415926535); # prints 3.142
The POSIX module (part of the standard Perl distribution) implements
ceil(), floor(), and a number of other mathematical and trigonometric
func...
How to set custom header in Volley Request
...og.d("Response", response);
}
},
new Response.ErrorListener()
{
@Override
public void onErrorResponse(VolleyError error) {
// TODO Auto-generated method stub
Log.d("ERROR","error => "+error.toString());
...
Undo git reset --hard with uncommitted files in the staging area
...e of problems - --cached should be --cache, and I found that it didn't actually create the .git/lost-found directory. However, the following steps worked for me:
git fsck --cache --unreachable $(git for-each-ref --format="%(objectname)")
That should output all objects in the object database that...
Storing integer values as constants in Enum manner in java [duplicate]
...s enum value to switch case! "case Actions.CREATE.getAction()" it gives an error "case expressions must be constant expressions"
– مريم قد الحياة
Dec 15 '16 at 10:42
1
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How to get parameters from the URL with JSP
...r. This is part of the Java Servlet API. See http://java.sun.com/j2ee/sdk_1.3/techdocs/api/javax/servlet/ServletRequest.html for more information.
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How is Racket different from Scheme?
.../6RS Scheme that runs in racket mode may either be rejected, cause runtime errors, or behave differently than it should. With that said, the main points where it is not backwards compatible are:
Racket has no set-cdr! and set-car!, rather set-mcar! which only works on pairs specifically created as...