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Simulate limited bandwidth from within Chrome?
...Xcode:
Go to the Apple Download Center and search for Hardware IO Tools
https://developer.apple.com/downloads/index.action
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Version of SQLite used in Android?
...ite version only works on emulators and on devices with sqlite3 available: https://stackoverflow.com/a/3645800/444761
For other devices, see Juri's answer.
I have added an Issue #58909 to the Android Issue Tracker. Please star this if you would like to support it.
Note: if you want your app to use t...
Sublime - delete all lines containing specific value
...uld not get the regex to work so I used Alt-F3 approach from this answer:
https://superuser.com/questions/452189/how-can-i-filter-a-file-for-lines-containing-a-string-in-sublime-text-2/598999#598999
Select string of interest
Hit Alt+F3 to go into multi-cursor mode on all occurrences (Ctrl+CMD+G o...
Rails find record with zero has_many records associated [duplicate]
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Bah, found it here: https://stackoverflow.com/a/5570221/417872
City.includes(:photos).where(photos: { city_id: nil })
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Java code To convert byte to Hexadecimal
...tand two's complement, you can read an excellent explanation, here: http://www.cs.cornell.edu/~tomf/notes/cps104/twoscomp.html
Converting Two's Complement to Hex In General
Once a number is in two's complement it is dead simple to convert it to hex. In general, converting from binary to hex is v...
Can't open config file: /usr/local/ssl/openssl.cnf on Windows [duplicate]
I have installed OpenSSL 64. I want to use a certificate for my nodejs https server. I ran the following command:
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A Java API to generate Java source files [closed]
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You can use Roaster (https://github.com/forge/roaster) to do code generation.
Here is an example:
JavaClassSource source = Roaster.create(JavaClassSource.class);
source.setName("MyClass").setPublic();
source.addMethod().setName("testMethod").s...
How to access component methods from “outside” in ReactJS?
...e child component is declared as a class, as per documentation found here: https://facebook.github.io/react/docs/refs-and-the-dom.html#adding-a-ref-to-a-class-component
Update 2019-04-01: Changed example to use a class and createRef per latest React docs.
Update 2016-09-19: Changed example to use ...
What does it mean to “program to an interface”?
...usses his quote, "Program to an interface, not an implementation."
http://www.artima.com/lejava/articles/designprinciples.html
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Where to install Android SDK on Mac OS X?
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Install brew using command from brew.sh
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
Install android-sdk using
brew install android-sdk
Now android-sdk will be installed in /usr/local/opt/android-sdk
export ANDROID_HOME=/usr/local/o...