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Converting an array of objects to ActiveRecord::Relation
...olumn, and not any way you want. Relations are faster to handle large data sets, and there will be some trade-offs.
– Marco Prins
Mar 17 '15 at 9:45
9
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JavaScript function order: why does it matter?
...declaration is on the beginning).
On the other hand, if your function was set like a regular variable
var foo = function() { ... };
You have to guarantee you wont call it before the initialization (this can actually be a source of bugs).
Since reordering tons of code is complicated and can be...
How to validate inputs dynamically created using ng-repeat, ng-show (angular)
...es in conjunction, be careful that they don't have the "terminal" property set otherwise this function won't be able to run (given that it has a priority of -1).
For example, when using this directive with ng-options, you must run this one line monkeypatch:
https://github.com/AlJohri/bower-angular/...
Android Fragment handle back button press [duplicate]
...hen some Fragments are visible, you want to suppress the back key) you can set an OnKeyListener on the parent view of your fragment:
//You need to add the following line for this solution to work; thanks skayred
fragment.getView().setFocusableInTouchMode(true);
fragment.getView().requestFocus();
fr...
How to Publish Web with msbuild?
... custom msbuild script. Here are the relevant TeamCity build configuration settings:
Artifact paths: %system.teamcity.build.workingDir%\MyProject\obj\Debug\Package\PackageTmp
Type of runner: MSBuild (Runner for MSBuild files)
Build file path: MyProject\MyProject.csproj
Working directory: same a...
DateTime2 vs DateTime in SQL Server
...s their recommendation:
Use the time, date, datetime2 and
datetimeoffset data types for new
work. These types align with the SQL
Standard. They are more portable.
time, datetime2 and datetimeoffset
provide more seconds precision.
datetimeoffset provides time zone
support for global...
Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
...
This depends on your set up. If you're using some kind of ORM or query builder, it's very easy to use the same where criteria for both queries, swap the select fields for a count, and drop the limit. You should never write out the criteria twice....
NSObject +load and +initialize - What do they do?
... for your class and once for each subclass. If you're doing something like setting up static variables, you'll want to guard against that: either with dispatch_once() or by testing self == [MyClass class].
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What Does 'Then' Really Mean in CasperJS
....echo('this is step two'); }",
"function _step() { this.open(location, settings); }",
"function step3() { this.echo('this is step 3 (google.com is loaded)'); }"
]
Notice the _step() function which has been added automatically by CasperJS to load the url for us; when the url is loaded, the ...
How do I create some kind of table of content in GitHub wiki?
...ing
"markdown.extension.toc.updateOnSave": false,
in your Visual Studio Settings (Command Palette -> Preferences: Open Settings (JSON)).
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