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Difference between declaring variables before or in loop?
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@Jon, was it a bug in C# 1.0? Shouldn't ideally Outer be 9?
– nawfal
Jul 8 '14 at 18:10
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Determine what attributes were changed in Rails after_save callback?
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The "selected" answer didn't work for me. I'm using rails 3.1 with CouchRest::Model (based on Active Model). The _changed? methods don't return true for changed attributes in the after_update hook, only in the before_update hook. I was able to get it to work using the (new?) around_...
How to detect total available/free disk space on the iPhone/iPad device?
...rmatter:(long long)diskSpace {
NSString *formatted;
double bytes = 1.0 * diskSpace;
double megabytes = bytes / MB;
double gigabytes = bytes / GB;
if (gigabytes >= 1.0)
formatted = [NSString stringWithFormat:@"%.2f GB", gigabytes];
else if (megabytes >= 1.0)
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JSON formatter in C#?
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This worked for me using System.Text.Json in .Net Core 3.1
public string PrettyJson(string unPrettyJson)
{
var options = new JsonSerializerOptions(){
WriteIndented = true
};
var jsonElement = JsonSerializer.Deserialize<JsonElement>(unPrettyJson);
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Force browser to clear cache
...ke "_versionNo" to the file name for each release. For example:
script_1.0.css // This is the URL for release 1.0
script_1.1.css // This is the URL for release 1.1
script_1.2.css // etc.
Or alternatively do it after the file name:
script.css?v=1.0 // This is the URL for release 1.0
script.css...
How can I call controller/view helper methods from the console in Ruby on Rails?
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If you need to test from the console (tested on Ruby on Rails 3.1 and 4.1):
Call Controller Actions:
app.get '/'
app.response
app.response.headers # => { "Content-Type"=>"text/html", ... }
app.response.body # => "<!DOCTYPE html>\n<html>\n\n<head&g...
“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code si
...-cert /usr/local/bin/gdb
Where content of gdb.xml is:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN"
"http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>com.apple.security.cs.allow-jit&l...
Can't find the 'libpq-fe.h header when trying to install pg gem
I am using the Ruby on Rails 3.1 pre version. I like to use PostgreSQL, but the problem is installing the pg gem. It gives me the following error:
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View the Task's activity stack
...omponentSpecified=false isHomeActivity=false
configuration={ scale=1.0 imsi=310/4 loc=en_US touch=3 keys=2/1/2 nav=2/2 orien=1 layout=34}
resultTo=HistoryRecord{44d174d0 com.android.contacts/.DialtactsContactsEntryActivity} resultWho=favorites resultCode=2
launchFailed=false ...
ERROR ITMS-9000: “Redundant Binary Upload. There already exists a binary upload with build version '
...4, etc. for the build number, but the version number has to be increasing, 1.0 -> 1.1 -> 1.2 etc. The build number has to be higher than what was submitted previously for the same version number, if not an error is posted. So, if a new binary is submitted that has version 3.75 and a build 1 ha...