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How to delete object from array inside foreach loop?
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@Oliver: usually it will generate unexpected behavior, but you can do it safely with foreach on php. Give a read here for a test: php.net/manual/en/control-structures.foreach.php#88578
– pangon
Jan ...
Difference between abstract class and interface in Python
... @L.DeLeo - are you sure your notion of has-a vs. is-a is correct? I generally view the distinction as has-a = member variable vs. is-a = inheritance (parent class or interface). Think Comparable or List in Java; those are is-a relationships, regardless of whether they're interfaces or abstract cl...
Add all files to a commit except a single file?
I have a bunch of files in a changeset, but I want to specifically ignore a single modified file. Looks like this after git status :
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Ajax using https on an http page
...d https protocol; it doesn't affect the content. My site uses jQuery ajax calls, which fills some areas on the page, too.
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What's the difference between IQueryable and IEnumerable
...;>), which can be thought of as "is the 'Age' property > 18".
This allows things like LINQ-to-SQL to exist because they can parse the expression tree and convert it into equivalent SQL. And because the provider doesn't need to execute until the IQueryable is enumerated (it implements IEnum...
Using multiple property files (via PropertyPlaceholderConfigurer) in multiple projects/modules
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If you add all file in 1 tag, then don't event need ignore-unresolvable="true", otherwise need.
– Eric Wang
May 8 '15 at 10:43
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Dynamic SQL - EXEC(@SQL) versus EXEC SP_EXECUTESQL(@SQL)
...se. When using sp_executesql, parameters are explicitly identified in the calling signature. This excellent article descibes this process.
The oft cited reference for many aspects of dynamic sql is Erland Sommarskog's must read: "The Curse and Blessings of Dynamic SQL".
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What does get-task-allow do in Xcode?
... project, I create a new Entitlements.plist, and set the value of get-task-allow to false. But why? What does this key represent?
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Following git-flow how should you handle a hotfix of an earlier release?
...at only works if production versions are strictly increasing. That's typically true for a website which has only one production version.
If you have to maintain multiple production versions, one branch to track production is not enough. A solution is not to use master to track production. Instea...
SQL query to find record with ID not in another table
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@PrinceJea actually it depends. See here for clarification
– John Woo
Aug 21 '12 at 7:32
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