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What do REFRESH and MERGE mean in terms of databases?
...r Many to Many relationships:
ALL - all possible cascading operations performed on the source entity are cascaded to the target of the association.
MERGE - if the source entity is merged, the merge is cascaded to the target of the association.
PERSIST - if the source entity is persisted, the persi...
Possible to access the index in a Hash each loop?
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Regex for string contains?
...provides no benefit over comparing for equality but for example when doing form field validation a regex like /^\d+$/ will only match if the field contains at least one digit and nothing but numeric digits.
– David Clarke
Feb 15 '11 at 2:35
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ManyRelatedManager object is not iterable
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how to avoid a new line with p tag?
...ling with a program who's output uses <p> tags as separators. Django forms for example.
– Jim Paul
Feb 23 '16 at 0:00
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How to hide a in a menu with CSS?
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Note that according to the HTML specs (w3.org/TR/html5/forms.html#the-select-element), a <select> should only contain <option> or <optgroup> or script-supporting elements. So you should avoid using invalid <span> wrappers.
– Luke
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Update Row if it Exists Else Insert Logic with Entity Framework
...e context in memory for a while? For example, during the life of a Windows form? I normally try and clean up database objects to ensure minimum load on the database. Is there no problem waiting to destroy my EF context?
– Jonathan Wood
Apr 6 '11 at 2:16
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What is a build tool?
...rates compiling,linking and packaging the code into a usable or
executable form.
Basically build automation is the act of scripting or automating a
wide variety of tasks that software developers do in their day-to-day
activities like:
Downloading dependencies.
Compiling source code into binary code...
How to fix the datetime2 out-of-range conversion error using DbContext and SetInitializer?
...January 1, 1753) - by default Start equals DateTime.MinValue (January 1, 0001).
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ruby inheritance vs mixins
...ter job of explaining than I would so I'll quote him:
No single rule or formula always results in the right design. But it’s useful to keep a
couple of considerations in mind when you’re making class-versus-module decisions:
Modules don’t have instances. It follows that entities or thin...