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How to set different label for launcher rather than activity title?
...lter> can have a label attribute. If it's absent the label is inherited from the parent component (either Activity or Application). So using this, you can set a label for the launcher icon, while still having the Activity with it's own title.
Note that, while this works on emulators, it might no...
How can I have ruby logger log output to stdout as well as file?
...
Nice solution. I tried to use this to tee the output from my rake tasks to a log file. In order to get it to work with puts though (to be able to call $stdout.puts without getting "private method `puts' called"), I had to add a few more methods: log_file = File.open("tmp/rake.l...
Legality of COW std::string implementation in C++11
...) (and on every return of pointer, reference, or iterator) does not suffer from that problem. I.e. (invariant) a buffer is at any time unshared, or else shared with no external refs. I thought you had intended the comment about this example as an informal bug report-as-a-comment, very sorry for misu...
What does git push -u mean?
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"Upstream" would refer to the main repo that other people will be pulling from, e.g. your GitHub repo. The -u option automatically sets that upstream for you, linking your repo to a central one. That way, in the future, Git "knows" where you want to push to and where you want to pull from, so you c...
Calculate distance between two latitude-longitude points? (Haversine formula)
...s surface – using the
‘Haversine’ formula.
function getDistanceFromLatLonInKm(lat1,lon1,lat2,lon2) {
var R = 6371; // Radius of the earth in km
var dLat = deg2rad(lat2-lat1); // deg2rad below
var dLon = deg2rad(lon2-lon1);
var a =
Math.sin(dLat/2) * Math.sin(dLat/2) +
Ma...
What do < and > stand for?
... and "Right Tag", but maybe RT was taken by Return, so it's using letter G from right instead of R...
– jeffkee
Oct 30 '19 at 23:34
add a comment
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How to make a variadic macro (variable number of arguments)
...VA_ARGS__) does the job the portable way; the fmt parameter can be omitted from the definition.
– alecov
Jun 11 '12 at 20:14
4
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Do I need dependency injection in NodeJS, or how to deal with …?
... db.createConnection(port, host, databasename); //<--- values typically from a config file
}
Then, any module that needs a database connection would then just include your MyDbConnection module.
SuperCoolWebApp.js:
var dbCon = require('./lib/mydbconnection'); //wherever the file is stored...
Convert one date format into another in PHP
...n't recognize the y-m-d-h-i-s format.
PHP 5.3 and up
Use DateTime::createFromFormat. It allows you to specify an exact mask - using the date() syntax - to parse incoming string dates with.
PHP 5.2 and lower
You will have to parse the elements (year, month, day, hour, minute, second) manually usi...
How do I center align horizontal menu?
...
From http://pmob.co.uk/pob/centred-float.htm:
The premise is simple and basically just involves a widthless float wrapper that is floated to the left and then shifted off screen to the left width position:relative; left:-50%...