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How can I change my Cygwin home folder after installation?
...nced >> Environment Variables >> User Variables for >> [select variable HOME] >> edit
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Combining Multiple Commits Into One Prior To Push
...commit: Add feature
b860ddb HEAD@{2}: commit: Add something
Reset to your selected head (I have chosen HEAD@{2})
git reset b860ddb --soft
git status (just to be sure)
Add your new commit
git commit -m "Add new commit"
Note: HEAD@{0} & HEAD@{1} Are now merged into 1 commit, this can be don...
Is < faster than
...ughput
Jcc N/A 0.5
with the following footnote on Jcc:
7) Selection of conditional jump instructions should be based on the recommendation of section Section 3.4.1, “Branch Prediction Optimization,” to improve the predictability of branches. When branches are predicted successf...
How do DATETIME values work in SQLite?
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select * from table where creation between a and b;
– koem
Jun 21 '13 at 4:07
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Null vs. False vs. 0 in PHP
...mpatibility). Despite the design wishing some consistency (outlined in the selected answer here), it all get confusing when you consider method returns that use false/null in not-so-easy to reason ways.
You will often see null being used when they are already using false for something. e.g. filter_i...
Entity Framework 4 vs NHibernate [closed]
...query, it can only load data from one table (So if you have Order.Product, SELECT * FROM order LEFT JOIN Product will initialize only Order object, Product will remain null, thought all necessary data is fetched in query to init it ). This can be overcome by using EFExtensions community add-on, but...
How do I stop Entity Framework from trying to save/insert child objects?
...to create a new record when the ID is provided. If there was a way to fill select list options with the actual object we'd be in business.
– T3.0
Jul 10 at 18:09
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How can I tell if a DOM element is visible in the current viewport?
... old answer is very slow, not accurate and has several bugs.
The solution selected as correct is almost never precise. You can read more about its bugs.
This solution was tested on Internet Explorer 7 (and later), iOS 5 (and later) Safari, Android 2.0 (Eclair) and later, BlackBerry, Opera Mob...
Eager load polymorphic
...edTable error ( tested in Rails 3, not 4 ) because the association will do SELECT FROM shops WHERE shop.id = 1 AND ( reviews.review_type = 'Shop' ).
The :include option will force a JOIN instead. :)
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Mapping composite keys using EF code first
...f(ColumnAttribute.Order))
.TypedValue.Value ?? 0)
.Select(x => x.Name)
.ToArray();
// apply the keys to the model builder
modelBuilder.Entity(entity.ClrType).HasKey(orderedKeys);
}
I haven't fully tested this in all situations, but it works in my basic t...