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Using Rails serialize to save hash to database
I'm try to save a hash mapping ids to a number of attempts in my rails app. My migration to the database to accommodate this new column:
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Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
Consider the following example on a 32 bit x86 machine:
11 Answers
11
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How do I reword the very first git commit message?
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Do git rebase -i --root
(point to root instead of pointing to a specific commit)
This way, the first commit is also included and you can just reword it like any other commit.
The --root option was introduced in Git v1.7.12 (2012). Before then the onl...
Where can I find a NuGet package for upgrading to System.Web.Http v5.0.0.0?
...version 5.0.0.0 and it requires System.Web.Http v 5.0.0.0 as per the following error:
2 Answers
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Most efficient way to check for DBNull and then assign to a variable?
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I must be missing something. Isn't checking for DBNull exactly what the DataRow.IsNull method does?
I've been using the following two extension methods:
public static T? GetValue<T>(this DataRow row, string columnName) where T : st...
What does “javascript:void(0)” mean?
... The void operator evaluates the given
expression and then returns undefined.
The void operator is often used merely
to obtain the undefined primitive
value, usually using “void(0)” (which
is equivalent to “void 0”). In these
cases, the global variable undefined
can be used...
SSL certificate rejected trying to access GitHub over HTTPS behind firewall
I'm stuck behind a firewall so have to use HTTPS to access my GitHub repository. I'm using cygwin 1.7.7 on Windows XP.
30 A...
How to output messages to the Eclipse console when developing for Android
How can I print messages (like a flag) to the Eclipse console (or log) when developing and debugging an Android app
5 Answe...
jQuery UI accordion that keeps multiple sections open?
I may be an idiot, but how do you keep multiple sections in jQuery UI's accordion open? The demos all have only one open at a time... I'm looking for a collapseable menu type system.
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Editing the git commit message in GitHub
Is there any way of online editing the commit message in GitHub.com , after submission?
6 Answers
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