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Preview layout with merge root tag in Intellij IDEA/Android Studio
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There is a new parentTag tools attribute (added in Android Studio 2.2) that you can use to specify the layout type for a merge tag, which will make the layout render correctly in the layout editor preview.
So using your example:
<merge xmlns:android="http://schemas.andr...
log4net hierarchy and logging levels
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This might help to understand what is recorded at what level
Loggers may be assigned levels. Levels are instances of the log4net.Core.Level class. The following levels are defined in order of increasing severity - Log Level.
Numb...
Traverse all the Nodes of a JSON Object Tree with JavaScript
...3],
subo: {
foo2:"bar2"
}
};
//called with every property and its value
function process(key,value) {
console.log(key + " : "+value);
}
function traverse(o,func) {
for (var i in o) {
func.apply(this,[i,o[i]]);
if (o[i] !== null && typeof(o[i])=="ob...
Explaining Python's '__enter__' and '__exit__'
...nt.
The idea is that it makes it easy to build code which needs some 'cleandown' code executed (think of it as a try-finally block). Some more explanation here.
A useful example could be a database connection object (which then automagically closes the connection once the corresponding 'with'-sta...
In Objective-C, what is the equivalent of Java's “instanceof” keyword?
...if ([myObject isKindOfClass:[AnObject class]])
as suggested by Jon Skeet and zoul.
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Label points in geom_point
...l players with PTS > 25 or < 18
# align text vertically with nudge_y and allow the labels to
# move horizontally with direction = "x"
ggplot(nba, aes(x= MIN, y = PTS, label = Name)) +
geom_point(color = dplyr::case_when(nba$PTS > 25 ~ "#1b9e77",
nb...
Using crontab to execute script every minute and another every 24 hours [closed]
...ce for how crontab works: http://adminschoice.com/crontab-quick-reference, and this handy tool to build cron jobx: http://www.htmlbasix.com/crontab.shtml
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What is a 'multi-part identifier' and why can't it be bound?
...d up rewriting the query, change the order of joins, change some groupings and then it eventually works, but I just don't quite get it.
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R - Markdown avoiding package loading messages
I have been using Knitr via R-Studio, and think it is pretty neat. I have a minor issue though. When I source a file in an R-Chunk, the knitr output includes external comments as follows:
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Making a property deserialize but not serialize with json.net
...pha, Beta, Gamma }
class Bang
{
public string Value { get; set; }
}
And you want to do this:
string json = @"{ ""ObsoleteSetting"" : ""Gamma"" }";
// deserialize
Config config = JsonConvert.DeserializeObject<Config>(json);
// migrate
config.ReplacementSetting =
new Bang { Value ...