I successfully uploaded my application to the xamarin form, but after uploading I received an email from Apple:
“Missing A necessary icon file. The package does not contain a complete ‘167×16
Tag: time
iPhone – Save NSManageDObjectContext This will have a merger error while?
Thank you in advance for your help. I spent a lot of time fighting this today and I think I have some serious errors in the way the framework works.
In my data controller, I subscribed to NSM
IPHONE – Do you have any performance loss when you call UIGRAPHICSGETCURRENTCONTEXT?
I am building a UIView with a custom drawRect function. This is a fairly complex view that requires drawing many different items. I basically break it down into each need to be drawn A function of
MacOS – get sleep time on Mac OS X (and other energy-saving settings)
I want to programmatically get the energy-saving settings in the system preferences on Mac OS X, especially the “display sleep” or “computer sleep” settings of the small application I am writing .<
How can PowerDesigner can change when Code is not automatically followed when the field name of the modified table
Reproduced from: http://blog.csdn.net/hongqishi/article/details/7050255
How can the Code not automatically change when the table field Name is modified tools-> General Options-> Dialog:Operation Modes:
Remove the √ in front of NameToCodeMirroring
GeneaCle Comment Remarks when PowerDesigner exported
When exporting powerdesigner 15X to a database or SQL statement, I want to export the names of tables and fields into comments. How do I achieve this? ? The current situation is that some fields ca
PowerDesigner Design Table Shows Note Columns Comment
Select the table to be edited,【right click】->【Properties】->【Columns】->【Customize Columns and Filter】->【Comment】->【OK 】
Or use the shortcut key
【Right click】->【Properties】->【Columns】->【Ctrl+U】->【
SQLite achieve time accumulation
Form:data
Time Amount
2015-01-01 10000 2015-01-02 20000
2015-01-03 30000
select a.时间,sum(b .Amount) as Cumulative amount
from data a,data b
group by a. time
When you insert a new record, create a trigger for SQLITE to delete old records.
I have a “log” table in the SQLite database, where I write all the log files.
But I want to pretend that the database becomes more Come bigger-the smartest way to do this is to use the trigge
Sleep caused by SQLite during execution
Is there a similar SQL expression that sleeps like MS SQL WAITFOR sqlite?
Or, is there a way to make sqlite SQL queries run for a long time without adding many rows to the database?
Thi