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What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?
...ource object itself is returned but cast to the target interface. In other words: the type is not changed, but the compile-time type is.
When the source object does not implement the target interface, the source object is converted into an object that implements the target interface. So both the ty...
Transaction isolation levels relation with locks on table
...t allow a value to be accessed until after it has been committed. In other words, if the transaction isolation level is set to TRANSACTION_READ_COMMITTED, the DBMS does not allow dirty reads to occur. The interface Connection includes five values that represent the transaction isolation levels you c...
Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...s on strings that are found to contain non-ASCII.
From https://anonbadger.wordpress.com/2015/06/16/why-sys-setdefaultencoding-will-break-code/
def welcome_message(byte_string):
try:
return u"%s runs your business" % byte_string
except UnicodeError:
return u"%s runs your bus...
Lock-free multi-threading is for real threading experts
...e, each core will now have a different view of the RAM contents. In other words, one CPU doesn't know what another CPU has written until that RAM write cycle completed and the CPU refreshes its own view.
That is dramatically incompatible with threading. You always really care what the state of an...
How do JavaScript closures work?
...
f() // The only way to retrieve `secret`, is to invoke `f`
In other words: in JavaScript, functions carry a reference to a private "box of state", to which only they (and any other functions declared within the same lexical environment) have access. This box of state is invisible to the calle...
How do you fix a bad merge, and replay your good commits onto a fixed merge?
...e "Move the top line to after the current second line and change the first word on line four to 'edit' now save and quit" quickly seem more complex than the actual steps are. You normally end up with some --amend and --continue actions, as well.
– CB Bailey
Jan...
Flags to enable thorough and verbose g++ warnings
... case, but
as usual with assert, it won't work in release builds. In other
words, you cannot rely on it to validate numbers that you get from,
say, a network connection or a database that you do not have absolute
control over. Exceptions or returning early are the best way to
handle that (but still ...
How does Google Instant work?
... */\x3c/script\x3e"
}/*""*/
Further non-technical reading:
Google Adwords - What is Google Instant?
About Google Instant
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What is the Sign Off feature in Git for?
...e. Now with -S and -s you have a chain of custody based on the commiter's word, that the code written by some author is authorized to be used by some signed-off higher up.
– DrBeco
Nov 9 '14 at 15:08
...
Git workflow and rebase vs merge questions
...e changes that happened on b since its last divergence from a, or in other words, compare the common ancestor of a and b with b.
git diff HEAD...origin/feature1 -- lib/message.rb # show the change in feature1
git diff origin/feature1...HEAD -- lib/message.rb # show the change in our branch
Check o...