大约有 40,000 项符合查询结果(耗时:0.0451秒) [XML]
How to create a new database using SQLAlchemy?
...
On postgres, three databases are normally present by default. If you are able to connect as a superuser (eg, the postgres role), then you can connect to the postgres or template1 databases. The default pg_hba.conf permits only the unix user named postgres to use the postgr...
Large Object Heap Fragmentation
...as the array used for interned strings). Some of these are less than 85000 bytes and thus would not normally be allocated on the LOH.
It is an implementation detail, but I assume the reason for this is to avoid unnecessary garbage collection of instances that are supposed to survive as long as the...
When is finally run if you throw an exception from the catch block?
...editing this 7 years later - one important note is that if e is not caught by a try/catch block further up the call stack or handled by a global exception handler, then the finally block may never execute at all.
share
...
urlencode vs rawurlencode?
...characters except -_.~ have been replaced with a percent (%) sign followed by two hex digits. This is the encoding described in » RFC 3986 for protecting literal characters from being interpreted as special URL delimiters, and for protecting URLs from being mangled by transmission media with charac...
What are the differences between BDD frameworks for Java? [closed]
...ree BDD frameworks for Java. Obviously my findings have a fairly short use-by date.
Concordion
Very flexible
Very pretty report output
Nice plugin framework
Poorly documented. I had to read the source to figure it out (luckily its extremely good quality).
Fixtures seemed likely to end up tightly ...
How to view the contents of an Android APK file?
...h less known than apktool, but there are some APKs that are better handled by it (and vice versa - more on that later). Mostly, APKs containing custom resource types (not modifiers) were not handled by apktool the last time I checked, and are handled by zzos. There are also some cases with escaping ...
What exactly happens when I set LoadUserProfile of IIS pool?
...
I mean if it's a "good" thing then why it is not "on" by default and why is it there after all?
IIS 6 never loaded user profiles. I would assume this is off by default to keep the behavior consistent, and an administrator has to opt-in to it.
I tried to enable LoadUserProf...
How to grant remote access to MySQL for a whole subnet?
...a good point about its weakness. I certainly supplement this configuration by other means, such as locking the database server in a separate subnet that I can control access to via a firewall to negate your concerns, among other things.
– Josiah
Jun 2 '15 at 15...
C# switch statement limitations - why?
...t time branch using a jump table. However, in sparse cases as pointed out by Ivan Hamilton the compiler may generate something else entirely.
This is actually quite easy to verify by writing various C# switch statements, some sparse, some dense, and looking at the resulting CIL with the ildasm.exe...
Finding quaternion representing the rotation from one vector to another
...heta) * perpendicular.z
Seeing as a rotation from u to v can be achieved by rotating by theta (the angle between the vectors) around the perpendicular vector, it looks as though we can directly construct a quaternion representing such a rotation from the results of the dot and cross products; howe...
