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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...
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...
Fluid or fixed grid system, in responsive design, based on Twitter Bootstrap
...idths are the same for every browser, so there is less hassle with images, forms, video and other content that are fixed-width.
There is no need for min-width or max-width, which isn’t supported by every browser anyway.
Even if a website is designed to be compatible with the smallest screen resolu...