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How do you clear the SQL Server transaction log?
...ABASE testdb SET RECOVERY FULL;
Even if you are taking regular full backups, the log file will grow and grow until you perform a log backup - this is for your protection, not to needlessly eat away at your disk space. You should be performing these log backups quite frequently, according to your r...
Using a piano keyboard as a computer keyboard [closed]
...
Consider doing something in hardware that emulates a usb (or ps/2?) keyboard. You will no longer be dependent on a specific OS, or specific OS API. A hardware solution will stand the test of time. Don't be stuck using an old API in Windows 7 when everyone else is running Windows 11!...
不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...oute2/rt_tables这个文件里，一般0编号
的table对应的别名为upspec，255编号对应的别名为local，254和253对应的别名分别为main和default，我们通常用route命令配置和查看的路由表信息为别名
为main的路由表信息。
2、路由规则负责定义路...
What C++ Smart Pointer Implementations are available?
...
C++03
std::auto_ptr - Perhaps one of the originals it suffered from first draft syndrome only providing limited garbage collection facilities. The first downside being that it calls delete upon destruction making them unacceptable for holding array all...
What is a mixin, and why are they useful?
..., Parent): pass and class NewChildN(NewBehaviorMixin, ChildN): pass, etc. (PS: Do you know a better way?)
– RayLuo
Oct 18 '16 at 0:57
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show...
Create an index on a huge MySQL production table without table locking
...able users add index ddopsonfu (last_name, email, first_name, confirmation_token, current_sign_in_ip);'
echo "Index Update - FINISH"
sleep 0.05
kill $PID
time mysql -uroot website_development -e 'drop index ddopsonfu on users;'
My Server (InnoDB):
Server version: 5.5.25a Source distribution
Out...
Dynamic type languages versus static type languages
...mpiler can use this. If we in Java do "string" + "string" or 3 + 3, both + tokens in text in the end represent a completely different operation and datum, the compiler knows which to choose from the types alone.
Now, I'm going to make a very controversial statement here but bear with me: 'dynamic ty...
Markup XML解析库下载（Markup.h 和 Markup.cpp） - 源码下载 - 清泛网 - 专注C/C++及内核技术
...L ftell
#define MCD_INTFILEOFFSET long
#endif
struct FilePos;
struct TokenPos;
struct NodePos;
struct PathPos;
struct SavedPosMapArray;
struct ElemPosTree;
class CMarkup
{
public:
CMarkup() { x_InitMarkup(); SetDoc( NULL ); };
CMarkup( MCD_CSTR szDoc ) { x_InitMarkup(); SetDoc( sz...
What is an existential type?
..., because no identifier has been bound to it. (The ? wildcard is a special token, not an identifier that "captures" a type.) t.value has effectively become opaque; perhaps the only thing you can still do with it is type-cast it to Object.
Summary:
==================================================...
What is the strict aliasing rule?
... is by Mike Acton, Understanding Strict Aliasing. It's focused a little on PS3 development, but that's basically just GCC.
From the article:
"Strict aliasing is an assumption, made by the C (or C++) compiler, that dereferencing pointers to objects of different types will never refer to the same...