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Should I commit or rollback a read transaction?
...should close it. Committing releases any locks you may have had, and is equally sensible with ReadUncommitted or Serializable isolation levels. Relying on implicit rollback - while perhaps technically equivalent - is just poor form.
If that hasn't convinced you, just imagine the next guy who insert...
Is there a better way to find out if a local git branch exists?
...as from 2011.
git rev-parse --verify <branch_name>
This is essentially the same as the accepted answer, but you don't need type in "refs/heads/"
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How do I call ::std::make_shared on a class with only protected or private constructors?
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Actually, I am a huge fan of those meaningless structures used only as keys. I prefer this to Luc's solution, but that might be my biais against inheritance.
– Matthieu M.
Nov 16 '11 at 7:43...
Can't escape the backslash with regex?
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If you're putting this in a string within a program, you may actually need to use four backslashes (because the string parser will remove two of them when "de-escaping" it for the string, and then the regex needs two for an escaped regex backslash).
For instance:
regex("\\\\")
is inter...
Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
...n't have the sendgrid addon and my smtp hasn't configured. Many thanks for all your backup!
– benoitr
Nov 7 '10 at 16:13
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Difference between byte vs Byte data types in C# [duplicate]
...y the full namespace System.Byte.
There are a few situations where C# only allows you to use the keyword, not the framework type, for example:
.
enum Fruits : byte // this works
{
Apple, Orange
}
enum Fruits : Byte // this doesn't work
{
Apple, Orange
}
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Including Google Web Fonts link or import?
... loaded. Most browsers will defer painting the content to the screen until all of the CSS is downloaded and applied - this avoids the "flash of unstyled content" problem. The downside is.. you may have an extra pause and delay until the content is visible. With the JS loader, you can define how and ...
Why use strong named assemblies?
...nefits of strong naming your assembly first:
Strong naming your assembly allows you to include your assembly into the Global Assembly Cache (GAC). Thus it allows you to share it among multiple applications.
Strong naming guarantees a unique name for that assembly. Thus no one else can use the same...
Using the slash character in Git branch name
...d a directory with the same name.
You're trying to get git to do basically this:
% cd .git/refs/heads
% ls -l
total 0
-rw-rw-r-- 1 jhe jhe 41 2009-11-14 23:51 labs
-rw-rw-r-- 1 jhe jhe 41 2009-11-14 23:51 master
% mkdir labs
mkdir: cannot create directory 'labs': File exists
You're getti...
C# elegant way to check if a property's property is null
... off of PropertyC in this example and ObjectA, PropertyA and PropertyB can all be null.
19 Answers
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