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What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
...ll be faster.
ContainsKey uses the same check as TryGetValue, which internally refers to the actual entry location. The Item property actually has nearly identical code functionality as TryGetValue, except that it will throw an exception instead of returning false.
Using ContainsKey followed by t...
handle textview link click in my android app
...I simply let my target activity listen to ACTION_VIEW intents, and specifically, those with the scheme com.package.name
<intent-filter>
<category android:name="android.intent.category.DEFAULT" />
<action android:name="android.intent.action.VIEW" />
<data android:sch...
Rails ActiveRecord date between
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I would personally created a scope to make it more readable and re-usable:
In you Comment.rb, you can define a scope:
scope :created_between, lambda {|start_date, end_date| where("created_at >= ? AND created_at <= ?", start_date, e...
std::back_inserter for a std::set?
...s2, s2.begin()), ExcitingUnaryFunctor());
The insert iterator will then call s2.insert(s2.begin(), x) where x is the value passed to the iterator when written to it. The set uses the iterator as a hint where to insert. You could as-well use s2.end().
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What is a simple/minimal browserconfig.xml for a web site
...config.xml from a user agents which identified as IE 11. So probably the really only way to get rid of those 404s is to also add an empty file for browserconfig.xml. I tried pinning using the empty file and didn't see a difference with or without the empty file.
– Gerd K
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ActiveRecord: List columns in table from console
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Great! Using Model.columns provides all the information for a table through ActiveRecord. Crucially for me it was the only and easiest way to gain confidence in what my primary key really was at the database level.
– nibbex
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How do I do multiple CASE WHEN conditions using SQL Server 2008?
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I had a similar but it was dealing with dates.
Query to show all items for the last month, works great without conditions until Jan.
In order for it work correctly, needed to add a year and month variable
declare @yr int
declare @mth int
set @yr=(select case when month(getdate())=1 t...
How to automatically install Ansible Galaxy roles?
All my Ansible playbooks/roles are checked in to my git repo.
8 Answers
8
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Include only certain file types when searching in Visual Studio
...e used the same variable name in a JavaScript file, I have to wade through all those search results too. This gets even worse when the text I'm looking for is also used in a third-party JavaScript library that we've brought into the project: this can result in hundreds of search results.
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clearing a char array c
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@robUK, yes you are correct. Technically '\0' is equal to 0 (in ascii) but you should use '\0' because it makes your intention clear
– Mark Testa
Mar 11 '09 at 2:23
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