大约有 40,000 项符合查询结果（耗时：0.0632秒） [XML]
What is the difference between atomic and critical in OpenMP?
...
The effect on g_qCount is the same, but what's done is different.
An OpenMP critical section is completely general - it can surround any arbitrary block of code. You pay for that generality, however, by incurring significant overhead eve...
Give all the permissions to a user on a DB
...user needs access to the database, obviously:
GRANT CONNECT ON DATABASE my_db TO my_user;
And (at least) the USAGE privilege on the schema:
GRANT USAGE ON SCHEMA public TO my_user;
Or grant USAGE on all custom schemas:
DO
$$
BEGIN
-- RAISE NOTICE '%', ( -- use instead of EXECUTE to see ge...
Export query result to .csv file in SQL Server 2008
... the following to be the best option
PowerShell Script
$dbname = "**YOUR_DB_NAME_WITHOUT_STARS**"
$AttachmentPath = "c:\\export.csv"
$QueryFmt= @"
**YOUR_QUERY_WITHOUT_STARS**
"@
Invoke-Sqlcmd -ServerInstance **SERVER_NAME_WITHOUT_STARS** -Database $dbname -Query $QueryFmt | Export-CSV $Attac...
Vim: What's the difference between let and set?
...ple, this function uses let to assign the value in the global variable orig_tw to the textwidthoption:
" Toggle Autowrap
" Default of 72 but can be overridden by tw settings in other vimrc files
let g:orig_tw = 72
function Toggle_autowrap_mode()
if &textwidth == 0
" Must use let ins...
How can I drop all the tables in a PostgreSQL database?
...at this will not remove the system tables (such as those that begin with pg_) as they are in a different schema, pg_catalog.
– congusbongus
Aug 4 '14 at 7:07
38
...
Get the IP address of the machine
...ifAddrStruct);
for (ifa = ifAddrStruct; ifa != NULL; ifa = ifa->ifa_next) {
if (!ifa->ifa_addr) {
continue;
}
if (ifa->ifa_addr->sa_family == AF_INET) { // check it is IP4
// is a valid IP4 Address
tmpAddrPtr=&((struct ...
git remove merge commit from history
...re the branches have diverged, I see all the commits of the purple branch -_-
– Benjamin Toueg
Jul 10 '13 at 18:15
1
...
What is the difference between “pom” type dependency with scope “import” and without “import”?
...lude> in <dependency> also. For example checkout this : jdbi.org/#_getting_started
– Nitiraj
Mar 21 '18 at 12:48
...
How Pony (ORM) does its tricks?
... if c.country == 'USA')
>>> import dis
>>> dis.dis(gen.gi_frame.f_code)
1 0 LOAD_FAST 0 (.0)
>> 3 FOR_ITER 26 (to 32)
6 STORE_FAST 1 (c)
9 LOAD_FAST 1 (c)
...
What's the difference of “./configure” option “--build”, “--host” and “--target”?
...et platforms .. you can get them here: gnu.org/software/gettext/manual/html_node/config_002eguess.html
– wirtsi
Jul 17 '19 at 15:11
add a comment
|
...