大约有 40,000 项符合查询结果（耗时：0.0673秒） [XML]
You can't specify target table for update in FROM clause
... absolutely fine. DELETE FROM t WHERE tableID NOT IN (SELECT viewID FROM t_view); Also I recommend running OPTIMIZE TABLE t; afterwards to reduce the size of the table.
– CodeX
Oct 13 '16 at 11:36
...
Find location of a removable SD card
...question is about external SD. How to get a path like "/mnt/sdcard/external_sd" (it may differ from device to device)?
Android has no concept of "external SD", aside from external storage, as described above.
If a device manufacturer has elected to have external storage be on-board flash and also h...
Get to UIViewController from UIView?
...:
@implementation UIView (AppNameAdditions)
- (UIViewController *)appName_viewController {
/// Finds the view's view controller.
// Take the view controller class object here and avoid sending the same message iteratively unnecessarily.
Class vcc = [UIViewController class];
// Tr...
How to change the style of the title attribute inside an anchor tag?
...or it: https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/ARIA_Techniques/Using_the_aria-label_attribute
share
|
improve this answer
|
follow
|
...
What is the difference between & vs @ and = in angularJS
...d be an AngularJS interpolated string with embedded expressions (myattr="my_{{helloText}}"). Think of it as "one-way" communication from the parent scope into the child directive. John Lindquist has a series of short screencasts explaining each of these. Screencast on @ is here: https://egghead.io...
Are there benefits of passing by pointer over passing by reference in C++?
...ame pointer. 15 years ago, they didn't. (Under gcc/g++, use setenv MALLOC_CHECK_ 0 to revisit the old ways.) Resulting, under DEC UNIX, in the same memory being allocated to two different objects. Lots of debugging fun there...
More practically:
References hide that you are changing data st...
brew install mysql on macOS
...sql
ran the commands brew suggested: (see note: below)
unset TMPDIR
mysql_install_db --verbose --user=`whoami` --basedir="$(brew --prefix mysql)" --datadir=/usr/local/var/mysql --tmpdir=/tmp
Start mysql with mysql.server start command, to be able to log on it
Used the alternate security script:
...
How do I “un-revert” a reverted Git commit?
...72d93bf3da7c65a9bd746.
...
Merge pull request parallel_reporting_dbs to master* commit
'648d7d808bc1bca6dbf72d93bf3da7c65a9bd746'
This way, you can trace the history and figure out the whole story, and even those without the knowledge of the legacy could work it out for t...
What is a message pump?
...s as or is perceived as a single separate object encarta.msn.com/dictionary_1861608661/entity.html
– Matthew Whited
Feb 8 '10 at 16:23
add a comment
|
...
Conversion failed when converting date and/or time from character string while inserting datetime
... answered Jan 2 '13 at 8:51
marc_smarc_s
650k146146 gold badges12251225 silver badges13551355 bronze badges
...