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记一次数据库表自增长（Auto Increment）故障 - 数据库(内核) - 清泛网 - ...
...t
FOR EACH ROW
BEGIN
INSERT INTO seq (created) VALUES (NOW());
SET NEW.id = LAST_INSERT_ID();
END;
|;
问题到这里似乎已经解决了，不过在咨询了 @linux流浪猫 之后，意外得到了一个很简单的答案：只要删除问题数据后，重启一下服务即可。...
How do I create a nice-looking DMG for Mac OS X using command-line tools?
...tore its name in the "backgroundPictureName" variable.
Use AppleScript to set the visual styles (name of .app must be in bash variable "applicationName", use variables for the other properties as needed):
echo '
tell application "Finder"
tell disk "'${title}'"
open
se...
What is a word boundary in regex?
I am using Java regexes in Java 1.6 (to parse numeric output, among other purposes) and cannot find a precise definition of \b ("word boundary"). I had assumed that -12 would be an "integer word" (matched by \b\-?\d+\b ) but it appears that this does not work. I'd be grateful to know of ways ...
Rspec doesn't see my model Class. uninitialized constant error
...onfig/environment/test.rb file,
see if there is config.eager_load = false, set it to true.
You should check in the written order since you don't want to solve the issue with the typo laying there.
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How to override Backbone.sync?
... one that all models use unless the models have a sync method specifically set.
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How do you use colspan and rowspan in HTML tables?
I don't know how to merge rows and columns inside HTML tables.
11 Answers
11
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Can you attach a UIGestureRecognizer to multiple views?
...: WARNING: A Gesture recognizer (<UITapGestureRecognizer:.....>) was setup in a storyboard/xib to be added to more than one view (-><UIView: ; frame = (0 44; 600 536); autoresize = RM+BM; gestureRecognizers = <NSArray...: >; layer = <CALayer: ...>>) at a time, this was nev...
How to write a scalable Tcp/Ip based server
...any exceptions would be suppressed and return false if a config option was set, but I wanted to remove it for brevity sake.
The _serverSocket.BeginAccept(new AsyncCallback(acceptCallback)), _serverSocket) above essentially sets our server socket to call the acceptCallback method whenever a user con...
File content into unix variable with newlines
...`cat xx1`
$ echo $A
1 2
$ echo "|$IFS|"
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A workaround is to reset IFS to not contain the newline, temporarily:
$ IFSBAK=$IFS
$ IFS=" "
$ A=`cat xx1` # Can use $() as well
$ echo $A
1
2
$ IFS=$IFSBAK
To REVERT this horrible change for IFS:
IFS=$IFSBAK
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Can I use the range operator with if statement in Swift?
Is it possible to use the range operator ... and ..< with if statement. Maye something like this:
6 Answers
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