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Programmatically set height on LayoutParams as density-independent pixels
...? It looks like the height/width, when set programmatically, are in pixels and not dp.
5 Answers
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How do I get the object if it exists, or None if it does not exist?
...go will raise the DoesNotExist exception every time.
The idiomatic way to handle this in python is to wrap it in a try catch:
try:
go = SomeModel.objects.get(foo='bar')
except SomeModel.DoesNotExist:
go = None
What I did do, is to subclass models.Manager, create a safe_get like the code a...
A good solution for await in try/catch/finally?
...
You can move the logic outside of the catch block and rethrow the exception after, if needed, by using ExceptionDispatchInfo.
static async Task f()
{
ExceptionDispatchInfo capturedException = null;
try
{
await TaskThatFails();
}
catch (MyExceptio...
How can a Javascript object refer to values in itself? [duplicate]
... In ES6 you can replace key2 : function() {...} with get key2() {...} and then you don't need to use brackets when calling it: alert(obj.key2);
– user993683
Dec 6 '16 at 5:54
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indexOf method in an object array?
...ed every iteration anew. See also stackoverflow.com/questions/5349425/… and stackoverflow.com/questions/8452317/… However, if performance is not high prio it doesn't really matter.
– loother
Apr 20 '16 at 15:09
...
Converting a JS object to an array using jQuery
...ous, the keys don't need to be sequential (i.e. in this example they are 1 and 2 - but they could just as well be a string key or non sequential number
– Simon_Weaver
May 31 '16 at 2:41
...
How can I pass an argument to a PowerShell script?
...ould it be something like -step '15' or -step "15"
– Andrew Gray
Nov 2 '15 at 0:04
7
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File path to resource in our war/WEB-INF folder?
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There's a couple ways of doing this. As long as the WAR file is expanded (a set of files instead of one .war file), you can use this API:
ServletContext context = getContext();
String fullPath = context.getRealPath("/WEB-INF/test/foo.txt");
http://tomcat.apache.org/tomcat-5.5-doc/servleta...
How to force R to use a specified factor level as reference in a regression?
...
Others have mentioned the relevel command which is the best solution if you want to change the base level for all analyses on your data (or are willing to live with changing the data).
If you don't want to change the data (this is a one time change, but in the f...
How to call methods dynamically based on their name? [duplicate]
...ays to accomplish dynamic dispatch in Ruby, each with their own advantages and disadvantages. Care should be taken to select the most appropriate method for the situation.
The following table breaks down some of the more common techniques:
+---------------+-----------------+-----------------+---...