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How to compare 2 files fast using .NET?
...lly delegating file performance issues to the CLR, BCL, and JIT to benefit from (e.g.) the latest design technology, system code, and adaptive runtime optimizations.
Furthermore, for such workaday scenarios, concerns about the performance of byte-by-byte comparison via LINQ enumerators (as shown he...
Get current stack trace in Ruby without raising an exception
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I use this to show a custom error page when exception are raised.
rescue_from Exception do |exception|
logger.error exception.class
logger.error exception.message
logger.error exception.backtrace.join "\n"
@exception = exception
# ExceptionNotifier::Notifier.exception_notification env,...
iOS - forward all touches through a view
...
For passing touches from an overlay view to the views underneath, implement the following method in the UIView:
Objective-C:
- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event {
NSLog(@"Passing all touches to the next view (if a...
Remove unnecessary svn:mergeinfo properties
...t not at the root folder (this is needed for branching to work properly).
From the root of the project do:
svn propdel svn:mergeinfo -R
svn revert .
svn ci -m "Removed mergeinfo"
share
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improve ...
Coding in Other (Spoken) Languages
... wondered, and I can't find any mention of it anywhere online. When a shop from, say Japan, writes code, would I be able to read it in English? Or do languages, like C, PHP, anything, have Japanese translations that they write?
...
Update value of a nested dictionary of varying depth
...eds it.
Based upon @Alex Martelli's answer.
Python 3.x:
import collections
from copy import deepcopy
def merge(dict1, dict2):
''' Return a new dictionary by merging two dictionaries recursively. '''
result = deepcopy(dict1)
for key, value in dict2.items():
if isinstance(value...
Difference between shadowing and overriding in C#?
...en by a sub-class and calls to that method even on the super-class type or from inside code of the super-class will call the replacement implementation from the sub-class.
Then a concrete method is shown (one not marked as virtual or abstract) being hidden by using the new keyword when defining a m...
Java: Best way to iterate through a Collection (here ArrayList)
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Here is an example
Query query = em.createQuery("from Student");
java.util.List list = query.getResultList();
for (int i = 0; i < list.size(); i++)
{
student = (Student) list.get(i);
System.out.pr...
Method to Add new or update existing item in Dictionary
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There's no problem. I would even remove the CreateNewOrUpdateExisting from the source and use map[key] = value directly in your code, because this this is much more readable, because developers would usually know what map[key] = value means.
...
JSR-303 @Valid annotation not working for list of child objects
...: Hibernate Validator- Object Graph. (The list of passengers in Car)
Edit From Hibernate Validator 6 Reference doc:
In versions prior to 6, Hibernate Validator supported cascaded validation for a subset of container elements and it was implemented at the container level (e.g. you would use @Val...