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C# How can I check if a URL exists/is valid?
...test a URL without the cost of downloading the content:
// using MyClient from linked post
using(var client = new MyClient()) {
client.HeadOnly = true;
// fine, no content downloaded
string s1 = client.DownloadString("http://google.com");
// throws 404
string s2 = client.Downloa...
Count number of lines in a git repository
...stat 4b825dc642cb6eb9a060e54bf8d69288fbee4904
This shows the differences from the empty tree to your current working tree. Which happens to count all lines in your current working tree.
To get the numbers in your current working tree, do this:
git diff --shortstat `git hash-object -t tree /dev/...
List all of the possible goals in Maven 2?
I'm new to Maven, coming from the Ant world.
5 Answers
5
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How do I detect whether a Python variable is a function?
...ect you're right that it doesn't for the original question, but that's far from certain.
– Chris B.
Mar 9 '09 at 5:33
6
...
Request format is unrecognized for URL unexpectedly ending in
...;/webServices>
</system.web>
</configuration>
More info from Microsoft
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Pointer arithmetic for void pointer in C
...ase must also compile with MSVC).
The C Standard Speaks
Quotes are taken from the n1256 draft.
The standard's description of the addition operation states:
6.5.6-2: For addition, either both
operands shall have arithmetic type,
or one operand shall be a pointer to
an object type and the...
MongoDB/NoSQL: Keeping Document Change History
...are a number of ways to approach it in an RDBMS--you can write all changes from all source tables to a single table (more of a log) or have a separate history table for each source table. You also have the option to either manage the logging in application code or via database triggers.
...
Is there any “font smoothing” in Google Chrome?
...oogle's webfont.js. The problem is that Chrome simply requests .woff files from Google's API which render horribly. Surprisingly all other font file types render beautifully. However, there are some CSS tricks that will "smoothen" the rendered font a little bit, you'll find the workaround(s) deeper ...
Why is the use of alloca() not considered good practice?
...k rather than on the heap, as in the case of malloc() . So, when I return from the routine the memory is freed. So, actually this solves my problem of freeing up dynamically allocated memory. Freeing of memory allocated through malloc() is a major headache and if somehow missed leads to all sorts...
Malloc vs new — different padding
...malloc" or "padded like new"? That might give clues to where the idea came from.
Maybe he's confused, but maybe the code he's talking about is more than a straight difference between malloc(sizeof(Foo) * n) vs new Foo[n]. Maybe it's more like:
malloc((sizeof(int) + sizeof(char)) * n);
vs.
struc...