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Get city name using geolocation

...ake an educated guess as to which one will have the city. "administrative_area_level_1" is usually what you are looking for but sometimes locality is the city you are after. Anyhow - more details on google response types can be found here and here. Below is the code that should do the trick: &...
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C++ Best way to get integer division and remainder

...timize, though, at least for g++. A simple experiment with g++ 6.3.0 on x86_64 revealed that with no optimization at all, you get two idivl instructions, but with -O1 or greater, you get one. As the manual says, “Without any optimization option … Statements are independent”. ...
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How can I create download link in HTML?

... download, use <a href="http://example.com/files/myfile.pdf" target="_blank">Download</a> the target=_blank will make a new browser window appear before the download starts. That window will usually be closed when the browser discovers that the resource is a file download. Note tha...
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Remove ActiveRecord in Rails 3

...r config/application.rb doesn't have require 'rails/all' or require "active_record/railtie". Instead, for a standard Rails setup without ActiveRecord, it should have only the following requires: require File.expand_path('../boot', __FILE__) require "action_controller/railtie" require "action_maile...
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How to change the background color of the options menu?

..."> ... <item name="android:itemBackground">@color/overflow_background</item> ... </style> Tested from API 4.2 to 5.0. share | improve this answer | ...
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How to close current tab in a browser window?

...ndow.close(); or you can specify a different window. So: function close_window() { if (confirm("Close Window?")) { close(); } } with HTML: <a href="javascript:close_window();">close</a> or: <a href="#" onclick="close_window();return false;">close</a> You r...
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Python extract pattern matches

... (.*) is valid") >>> result = p.search(s) >>> result <_sre.SRE_Match object at 0x10555e738> >>> result.group(1) # group(1) will return the 1st capture (stuff within the brackets). # group(0) will returned the entire matched text. 'my_user_...
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Remote connect to clearDB heroku database

... You run heroku config to get the CLEARDB_DATABASE_URL and it should be something of this format: CLEARDB_DATABASE_URL => mysql://[username]:[password]@[host]/[database name]?reconnect=true So basically you just look at your own url and get all you want from t...
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Which SQL query is faster? Filter on Join criteria or Where clause?

... # explain analyze select e.* from event e join result r on e.id = r.event_id and r.team_2_score=24; QUERY PLAN -------------------------------------------------------------------------------------...
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What is the native keyword in Java for?

...in.c #include <jni.h> #include "Main.h" JNIEXPORT jint JNICALL Java_Main_square( JNIEnv *env, jobject obj, jint i) { return i * i; } Compile and run: sudo apt-get install build-essential openjdk-7-jdk export JAVA_HOME='/usr/lib/jvm/java-7-openjdk-amd64' javac Main.java javah -jni Ma...