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What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?
...tual type: EnumerableQuery`1
There it is. AsQueryable() has converted the array into an EnumerableQuery, which "represents an IEnumerable<T> collection as an IQueryable<T> data source." (MSDN).
What's the use?
AsEnumerable is frequently used to switch from any IQueryable implementation ...
How do I create a simple 'Hello World' module in Magento?
...ethods/variables on the fly. For example you'll see it used as a glorified array to pass data from one method to another.
During development make sure you caching is disabled. It'll make magento excruciatingly slow, but it'll save you a lot of head trauma (from banging it on your desk).
You'll se...
Lock-free multi-threading is for real threading experts
...ou do not have dedicated locks - instead you treat e.g. all elements in an array or all nodes in a linked list as a "spin-lock". You read, modify and try to update if there was no update since your last read. If there was, you retry.
This makes your "locking" (oh, sorry, non-locking :) very fine gra...
Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
...heck if the configuration is changing and if so stick it in a static SparseArray under the fragment's identifier, and then in your onCreate() or onStart() look to see if you have an AsyncTask in the sparse array available.
s...
A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...o reading ASN1. From RMAppReceipt, using a few helper methods:
NSMutableArray *purchases = [NSMutableArray array];
[RMAppReceipt enumerateASN1Attributes:asn1Data.bytes length:asn1Data.length usingBlock:^(NSData *data, int type) {
const uint8_t *s = data.bytes;
const NSUInteger length = da...
Flags to enable thorough and verbose g++ warnings
...e range-based for loop). It is also warning for the
constructor of a const array of const std::string (where this is no
loop in user code).
-Wzero-as-null-pointer-constant and -Wuseless-cast are
GCC-4.7-only warnings, which I will add when I transition to GCC 4.7.
I've filed a few bug reports / en...
Where are my postgres *.conf files?
...------------------------------------
# - Previous PostgreSQL Versions -
#array_nulls = on
#backslash_quote = safe_encoding # on, off, or safe_encoding
#default_with_oids = off
#escape_string_warning = on
#lo_compat_privileges = off
#quote_all_identifiers = off
#sql_inheritance = on
#standard_co...
How do I list all files of a directory?
... beautiful!!!! so.... x=glob.glob("../train/*.png") will give me an array of my paths, as long as I know the name of the folder. So cool!
– Jennifer Crosby
Mar 14 at 4:06
...
How to fix “Headers already sent” error in PHP
...r fix the problem.
Common reasons are accesses to undefined elements of an array (such as $_POST['input'] without using empty or isset to test whether the input is set), or using an undefined constant instead of a string literal (as in $_POST[input], note the missing quotes).
Turning on output buf...
Can hash tables really be O(1)?
...yway.
Not necessarily. The buckets don't necessarily have to be lists or arrays, they can be any container type, such as a balanced BST. That means O(log n) worst case. But this is why it's important to choose a good hashing function to avoid putting too many elements into one bucket. As KennyTM p...