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Proper Linq where clauses
...y makes depends on the implementation of Where being called. If it's a SQL-based provider, I'd expect the two to end up creating the same SQL. If it's in LINQ to Objects, the second will have fewer levels of indirection (there'll be just two iterators involved instead of four). Whether those levels ...
How to play with Control.Monad.Writer in haskell?
...ably don't have the mtl library installed (which probably means you have a base installation of GHC, like minGHC, rather than the Haskell Platform). From a command prompt run cabal update and cabal install mtl and then try again.
– Chris Taylor
May 28 '15 at 6:...
Can I change the viewport meta tag in mobile safari on the fly?
...he above code, but in general I think that's a bad idea. Try to generalize based on device features (or screen size if you must), not actual devices. For example, you can detect if the device supports touch events, etc. (i.e., with modernizr). Depends on what you're trying to do.
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Android activity life cycle - what are all these methods for?
...s a priority queue to assist in managing activities running on the device. Based on the state a particular Android activity is in, it will be assigned a certain priority within the OS. This priority system helps Android identify activities that are no longer in use, allowing the OS to reclaim memory...
Android Preferences: How to load the default values when the user hasn't used the preferences-screen
...al shared-prefs files, i.e. android is creating several shared-prefs files based on your configuration or messy code.
– Hack06
Mar 22 '18 at 21:00
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difference between iframe, embed and object elements
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That doesn't seem to be the case based on current reading of the linked article, which lists object under both active and passive headings. Passive: "subresources (when an <object> performs HTTP requests)" / Active: "<object> (data attribute)" (t...
What is the difference between JavaConverters and JavaConversions in Scala?
... @Jean-PhilippePellet implicit conversions in Scala are Scope based so if you don't import JavaConversions._, conversions will not occur so you have the control on what is converted. If you place the import the right way (only when needed), you have full control on where the conversion ...
What's the UIScrollView contentInset property for?
... Sorry to piggyback on this, I can move it its own question, but based on this, what actually happens if you set each contentInset value to 0 other than the contentHeight for example? Does that force the whole scrollview to be the height you set it to?
– jakev
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C++ valarray vs. vector
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I wouldn't decide that based on fear. I'd decide it based on whether you need to store elements that use features it prohibits.
– Jerry Coffin
Dec 10 '15 at 20:53
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Alter MySQL table to add comments on columns
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Script for all fields on database:
SELECT
table_name,
column_name,
CONCAT('ALTER TABLE `',
TABLE_SCHEMA,
'`.`',
table_name,
'` CHANGE `',
column_name,
'` `',
column_name,
'` ',
colu...