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Rails 4: List of available datatypes
...your application schema_format is not set to use :sql, then your schema.rb file wont be able to dump the table that uses types like :json. The schema will still be dumped for the tables that use default types but you'll see a comment for the table with special types like, "could not dump table...". ...
Need command line to start web browser using adb
...me/com.google.android.apps.chrome.Main \
-a android.intent.action.VIEW -d 'file:///sdcard/lazer.html'
Also give Chrome access to sdcard via
adb shell pm grant com.android.chrome android.permission.READ_EXTERNAL_STORAGE
Swap com.android.chrome with com.chrome.canary if you are using Chrome canar...
How to jump to a specific character in vim?
...he line the cursor is at. Is there a way to make it work across the entire file?
– Aluthren
Mar 25 at 22:56
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C++ Object Instantiation
...ime you need to allocate a resource, whether it's memory (by calling new), file handles, sockets or anything else, wrap it in a class where the constructor acquires the resource, and the destructor releases it. Then you can create an object of that type on the stack, and you're guaranteed that your ...
Difference between an API and SDK
...mented programmable libraries and supporting source such as headers or IDL files. SDKs usually contain APIs but often often add compilers, tools, and samples to the mix.
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Breaking loop when “warnings()” appear in R
I am having an issue:
I am running a loop to process multiple files. My matrices are enormous and therefore I often run out of memory if I am not careful.
...
Gradle build only one module
...
I have a wrapper for subprojects that has no gradle file of its own. Unlike the selected answer, this works for me. Also thanks for clarification in comment, could you add it to the answer?
– Vlasec
Sep 10 '15 at 15:10
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How to use comments in Handlebar templates?
...
Use this way in your handlebar template file.
<div class="entry">
{{!-- only output author name if an author exists --}}
{{#if author}}
<h1>{{author.firstName}} {{author.lastName}}</h1>
{{/if}}
</div>
The comments will not be in...
Colorized Ruby output to the terminal [closed]
...mb to avoid all such styling, for example when saving the output to a text file. Also, it feels good to do things right. :-)
You can use the ruby-terminfo gem. It needs some C compiling to install; I was able to install it under my Ubuntu 14.10 system with:
$ sudo apt-get install libncurses5-dev...
Create table in SQLite only if it doesn't exist already
...routine thing of connections and cursors
conn = sqlite3.connect(db_file, timeout=1000)
cursor = conn.cursor()
# get the count of tables with the name
tablename = 'KABOOM'
cursor.execute("SELECT count(name) FROM sqlite_master WHERE type='table' AND name=...