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PHP完美实现GIF动画缩略图 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...osed forms of the previous image in the sequence. From this it attempts to select the smallest cropped image to replace each frame, while preserving the results of the animation.
BTW：如果要求更完美一点，可以使用quantizeImages方法进一步压缩。
注意：不管是coalesceimag...
Extreme wait-time when taking a SQL Server database offline
...s statistic update)
To find connections, use sys.sysprocesses
USE master
SELECT * FROM sys.sysprocesses WHERE dbid = DB_ID('MyDB')
To force disconnections, use ROLLBACK IMMEDIATE
USE master
ALTER DATABASE MyDB SET SINGLE_USER WITH ROLLBACK IMMEDIATE
...
Separation of business logic and data access in django
...ActivateUserForm(forms.Form):
user_id = IntegerField(widget = UsernameSelectWidget, verbose_name="Select a user to activate")
# the username select widget is not a standard Django widget, I just made it up
def clean_user_id(self):
user_id = self.cleaned_data['user_id']
...
Entity Framework Refresh context?
... where entry.EntityKey != null
select entry.Entity);
context.Refresh(RefreshMode.StoreWins, refreshableObjects);
}
Best advice anyway is, try to use a "short lived context" and you'll avoid this kind of problems.
I wrote a couple of articles on th...
form with no action and where enter does not reload page
...ent (e.g. enter key) can bring you in trouble with textareas, and possibly selecting autocompletion or dropdowns, and mobile could be another source of trouble.
– luckydonald
Jun 10 at 15:34
...
Undefined symbols for architecture i386: _OBJC_CLASS_$_SKPSMTPMessage", referenced from: error
...
Its worth noting that you can select the .m file and tick the box next to your target in right panel "Target Membership" section. When you add a file to your project, you are asked if you want to "Add to targets:", you may have said no, but you can add it...
Android XML Percent Symbol
...
i selected this as the answer because it should work, but apparently there is a bug that im running into with that string, so ive decided to use %% and "XXX.replaceAll("%%", "%");"
– zaid
...
UITableView row animation duration and completion callback
...entSize after animation (as it was in my case), you must use [self performSelectorOnMainThread:withObject:waitUntilDone:]; in setCompletionBlock in order to call your delegate in next runloop. if you call your delegate directly, without performSelectorOnMainThread, you get old value for tableView.c...
How can you run a command in bash over until success
...I did && break after my verification command though instead of the select case.
– carlin.scott
Apr 27 '18 at 21:19
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How to terminate a window in tmux?
...nd . command-prompt
bind a last-window
bind space command-prompt -p index "select-window"
bind r source-file ~/.tmux.conf
# Options
set -g bell-action none
set -g set-titles on
set -g set-titles-string "tmux (#I:#W)"
set -g base-index 1
set -g status-left ""
set -g status-left-attr bold
set -g stat...