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Rails 4: before_filter vs. before_action
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It is just syntax difference, in rails app there is CRUD, and seven actions basically by name index, new, create, show, update, edit, destroy.
Rails 4 make it developer friendly to change syntax before filter to before action.
before_action call method before th...
Cleanest way to write retry logic?
...eption handling mechanism. Having said that, here's a lambda-based retry wrapper that you can use with any method. I chose to factor the number of retries and the retry timeout out as parameters for a bit more flexibility:
public static class Retry
{
public static void Do(
Action action...
How do I access call log for android?
...uration = managedCursor.getColumnIndex(CallLog.Calls.DURATION);
sb.append("Call Details :");
while (managedCursor.moveToNext()) {
String phNumber = managedCursor.getString(number);
String callType = managedCursor.getString(type);
String callDate = ...
Causes of getting a java.lang.VerifyError
...nst a different library than you are using at runtime.
For example, this happened to me when trying to run a program that was compiled against Xerces 1, but Xerces 2 was found on the classpath. The required classes (in org.apache.* namespace) were found at runtime, so ClassNotFoundException was no...
Using TortoiseSVN via the command line
...mation about the command-line options of TortoiseSVN in the documentation:
Appendix D. Automating TortoiseSVN. The main program to work with here is TortoiseProc.exe.
But a note pretty much at the top there already says:
Remember that TortoiseSVN is a GUI client, and this automation guide show...
How do I assign a port mapping to an existing Docker container?
...derstood something here, but it seems like it's only possible to set port mappings by creating a new container from an image. Is there a way to assign a port mapping to an existing Docker container?
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In CoffeeScript how do you append a value to an Array?
What is the prescribed way to append a value to an Array in CoffeeScript? I've checked the PragProg CoffeeScript book but it only discusses creating, slicing and splicing, and iterating, but not appending.
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Run a callback only if an attribute has changed in Rails
I have the following association in my app:
3 Answers
3
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How to lazy load images in ListView in Android
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Here's what I created to hold the images that my app is currently displaying. Please note that the "Log" object in use here is my custom wrapper around the final Log class inside Android.
package com.wilson.android.library;
/*
Licensed to the Apache Software Foundation (...
How do you search an amazon s3 bucket?
...e.g. file contents). So @rhonda's answer still might not be sufficient. It appears that ultimately this is an exercise left to the consumer, as using the S3 Console is hardly available to your app users and general users. Its basically only revant to the bucket owner and/or IAM roles.
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