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When should I use perror(“…”) and fprintf(stderr, “…”)?
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One detail, strerror is not required to be thread-safe. It's stupid, but that's the standard. strerror_l can be used instead as a drop-in replacement on POSIX 2008 systems. strerror_r is also available on older systems but ha...
Selecting all text in HTML text input when clicked
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@DeanRadcliffe Nice one! I'd use this.setSelectionRange(0, this.value.length) instead.
– kbtz
Mar 10 '14 at 5:59
9
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What are differences between AssemblyVersion, AssemblyFileVersion and AssemblyInformationalVersion?
... product, which may consist of many assemblies that are independently versioned, perhaps with differing versioning policies, and potentially developed by disparate teams.
“For example, version 2.0 of a product
might contain several assemblies; one
of these assemblies is marked as
version...
Are Exceptions in C++ really slow
...mance (at least, not as a first criterion). Exceptions are to be used when one expects that the caller cannot or will not wish to handle the failure on the spot, and pass it up the stack. Bonus: in C++11 exceptions can be marshalled between threads using the Standard Library.
This is subtle though,...
Are foreign keys really necessary in a database design?
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If you need an index create one, this should not be a primary reason for FKs. (In fact in certain circumstances (More inserts than selects for example) maintaining a FK might be slower. )
– Robert
Mar 21 '10 at 17:...
Obstructed folders in Subversion
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This often happens if you move a directory from one place to another and don't use the SVN move command. The hidden .svn file is moved along with it but is not updated. Deleting the .svn files fixes the problem.
– user85259
Apr 10 '...
Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]
I am developing a mobile web application (for iPhone & Android) with a local database (using html5 webstorage) so my app is still usable when the user is offline.
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How do I show my global Git configuration?
...-origin, also shows the origin file of each config item
How do I read one particular configuration?
Run git config user.name to get user.name, for example.
You may also specify options --system, --global, --local to read that value at a particular level.
Reference: 1.6 Getting Started - ...
How does Stack Overflow generate its SEO-friendly URLs?
...ary>
/// Produces optional, URL-friendly version of a title, "like-this-one".
/// hand-tuned for speed, reflects performance refactoring contributed
/// by John Gietzen (user otac0n)
/// </summary>
public static string URLFriendly(string title)
{
if (title == null) return "";
con...
Is it possible to dynamically compile and execute C# code fragments?
...urse, there are alternatives such as IronPython LUA, but this is certainly one. Note that a plugin system would be better developed by exposing interfaces and loading compiled DLLs that contain implementations of them, rather than loading code directly.
– Noldorin
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