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What is the difference between pluck and collect in Rails?
...ds with Rails 4, still use pluck
if you need some fields with Rails 3, use selectand collect
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Django Rest Framework: Dynamically return subset of fields
...y parameter to a Django Rest Framework based API which enables the user to select only a subset of fields per resource.
8 A...
Force Java timezone as GMT/UTC
...
tl;dr
String sql = "SELECT CURRENT_TIMESTAMP ;
…
OffsetDateTime odt = myResultSet.getObject( 1 , OffsetDateTime.class ) ;
Avoid depending on host OS or JVM for default time zone
I recommend you write all your code to explicitly state the de...
Alter Table Add Column Syntax
...order). Also, if there is data in the Employees table, it has to do insert select * so it can calculate the EmployeeID.
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Localization of DisplayNameAttribute
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var navigator = document.CreateNavigator();
var dataNav = navigator.Select("/root/data");
foreach (XPathNavigator item in dataNav)
{
var name = item.GetAttribute("name", String.Empty);
#>
public const String <#= name#> = "<#= name#>";
<# } #>
}
}
}
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How do I time a method's execution in Java?
....stop());
The nice thing is that Stopwatch.toString() does a good job of selecting time units for the measurement. I.e. if the value is small, it'll output 38 ns, if it's long, it'll show 5m 3s
Even nicer:
Stopwatch timer = Stopwatch.createUnstarted();
for (...) {
timer.start();
methodToTr...
Disable assertions in Python
...d allow assert statements to be optimized away is by raising them within a selection statement:
if foo_is_broken():
raise AssertionError('Foo is broken!')
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How to remove a file from the index in git?
...es in and out of the index by point-and-click. They even have support for selecting and moving portions of a file (individual changes) to and from the index.
How about a different perspective: If you mess up while using one of the suggested, rather cryptic, commands:
git rm --cached [file]
gi...
Colored logcat in android studio by colorpid
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Warn : BBB529
Error : FF6B68
Assert : 9876AA
Only show logcat from selected process is supported by default feature at AndroidStudio. If you are not satisfied with current customizations you need to continue to use your favorite shell with JakeWharton srcipt as for now.
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Remove file from SVN repository without deleting local copy
...om the folder (xxx.java)
Right click and commit, then a window will open.
Select the file you deleted (xxx.java) from the folder, and again right click and delete.. it will remove the file from SVN.
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