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What are the best practices for SQLite on Android?
...connection. Even if you use it from multiple threads, one connection at a time. The SqliteDatabase object uses java locks to keep access serialized. So, if 100 threads have one db instance, calls to the actual on-disk database are serialized.
So, one helper, one db connection, which is serialize...
Where are static variables stored in C and C++?
... draft [standard].
Memory Area Characteristics and Object Lifetimes
-------------- ------------------------------------------------
Const Data The const data area stores string literals and
other data whose values are known at compile
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Are there benefits of passing by pointer over passing by reference in C++?
...jects. And it will suggest that the argument can be NULL when, most of the time, a NULL value should be forbidden. Read litb's answer for a complete answer.
– paercebal
Dec 3 '08 at 10:12
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How much faster is C++ than C#?
...t as C++ code. However C++ code used to be significantly faster for a long time, and also today still is in many cases. This is mainly due to the more advanced JIT optimizations being complicated to implement, and the really cool ones are only arriving just now.
So C++ is faster, in many cases. But...
Is String.Contains() faster than String.IndexOf()?
...ontains() calls, 2.5 sec for all IndexOf() calls. => IndexOf performs 5 times faster!! (.Net 4.8)
– CSharper
Sep 21 at 7:55
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What is Type-safe?
...ose typed language (see Python)), some of them will actually give you a runtime error on invalid type casting.
While its convenient, it opens you up to a lot of errors that can be easily missed, and only identified by testing the running program. Personally, I prefer to have my compiler tell me if ...
Add … if string is too long PHP [duplicate]
...t desired for mobile browsers. What's more, you send full text, while some times it should not be available.
– szamil
Feb 11 '14 at 11:36
17
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How to remove spaces from a string using JavaScript?
...place(/\s+/g, '')
On small texts this is not relevant, but for cases when time is important, e.g. in text analisers, especially when interacting with users, that is important.
On the other hand, \s+ handles wider variety of space characters. Among with \n and \t, it also matches \u00a0 character...
Case preserving substitute in Vim
...
You can just paste and adapt this:
(Of course, if you do this from time to time, you will want a plugin instead of this monstrosity. But for some who are in a hurry and only need it once, this is a quick hack for your pasting pleasure:)
:%s/\cbad\zejob/\= ( submatch(0)[0] is# toupper(subma...
Can a program depend on a library during compilation but not runtime?
I understand the difference between runtime and compile-time and how to differentiate between the two, but I just don't see the need to make a distinction between compile-time and runtime dependencies .
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