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Convert a bitmap into a byte array
...bitmaps. Stride may include extra data at the end of each line (width) in order to have each line end and start on a 32-bit boundary for memory alignment and performance.
– deegee
Jan 6 '14 at 20:32
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“Cross origin requests are only supported for HTTP.” error when loading a local file
... ... the Ruby Gods say this works as well:
ruby -run -e httpd . -p 8080
PHP
Of course PHP also has its solution.
php -S localhost:8000
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Difference between VARCHAR and TEXT in MySQL [duplicate]
...up to 16 MB, LONGTEXT up to 4 GB. If you use LONGTEXT and get the data via PHP (at least if you use mysqli without store_result), you maybe get a memory allocation error, because PHP tries to allocate 4 GB of memory to be sure the whole string can be buffered. This maybe also happens in other langua...
How do I make curl ignore the proxy?
...bles like ftp_proxy. I think, here is a full list wiki.archlinux.org/index.php/proxy_settings .
– Dmitriusan
May 12 '14 at 16:04
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How do I sort an observable collection?
...T>, IEquatable<T>
{
List<T> sorted = collection.OrderBy(x => x).ToList();
int ptr = 0;
while (ptr < sorted.Count - 1)
{
if (!collection[ptr].Equals(sorted[ptr]))
{
int idx = search(collection, ptr+1, so...
Remote debugging with Android emulator
... to notify a local adb server at startup; hence the need to restart adb in order for it to probe the local 5554+ ports.
Note that the localhost in the ssh command refers to the local interface of the remote machine.
adb devices showed a new emulator — emulator-5554 — and I could use it as if i...
How to access the ith column of a NumPy multidimensional array?
...columns, it could be a good idea to create our array in column-major ('F') order instead of the row-major ('C') order (which is the default), and then do the slicing as before to get a column without copying it:
A = np.asfortranarray(A) # or np.array(A, order='F')
A_c1_ref = A[:, 1]
A_c1_ref.strid...
map vs. hash_map in C++
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They are implemented in very different ways.
hash_map (unordered_map in TR1 and Boost; use those instead) use a hash table where the key is hashed to a slot in the table and the value is stored in a list tied to that key.
map is implemented as a balanced binary search tree (usuall...
What is the preferred Bash shebang?
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What are fixtures in programming?
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I think PHP-unit tests have very good explaining of this:
One of the most time-consuming parts of writing tests is writing the
code to set the world up in a known state and then return it to its
original state when the test i...