大约有 46,000 项符合查询结果（耗时：0.0775秒） [XML]
What is RSS and VSZ in Linux memory management
...unused), and it has only actually loaded 1000K of the shared libraries and 400K of its own binary then:
RSS: 400K + 1000K + 100K = 1500K
VSZ: 500K + 2500K + 200K = 3200K
Since part of the memory is shared, many processes may use it, so if you add up all of the RSS values you can easily end up wit...
Adding a new value to an existing ENUM Type
... type
alter table some_table rename column some_column to _some_column;
-- 4. add new column of new type
alter table some_table add some_column some_enum_type not null default 'new';
-- 5. copy values to the new column
update some_table set some_column = _some_column::text::some_enum_type;
-- 6. rem...
How do you create a random string that's suitable for a session ID in PostgreSQL?
...ing(length integer) returns text as
$$
declare
chars text[] := '{0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z}';
result text := '';
i integer := 0;
begin
if length < 0 then
raise exception 'Given length can...
In which language are the Java compiler and JVM written?
...
174
The precise phrasing of the question is slightly misleading: it is not "the JVM" or "the compile...
How do I view the SQLite database on an Android device? [duplicate]
...|
edited May 26 '16 at 12:45
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
...
Stop all active ajax requests in jQuery
...
answered Nov 26 '09 at 10:44
Darin DimitrovDarin Dimitrov
930k250250 gold badges31503150 silver badges28432843 bronze badges
...
“No such file or directory” error when executing a binary
I was installing a binary Linux application on Ubuntu 9.10 x86_64. The app shipped with an old version of gzip (1.2.4), that was compiled for a much older kernel:
...
How do I pass an object from one activity to another on Android? [duplicate]
...
140
When you are creating an object of intent, you can take advantage of following two methods
for ...
How to modify the keyboard shortcuts in Eclipse IDE?
...
249
Window > Preferences > General > Keys
In particular, edit the "Run Ant Build" command...
Ruby array to string conversion
I have a ruby array like ['12','34','35','231'] .
12 Answers
12
...