大约有 47,000 项符合查询结果（耗时：0.0385秒） [XML]
Options for HTML scraping? [closed]
... minutes to get results with it.
The queries are super-intuitive - like:
SELECT title from img WHERE $class == 'userpic'
There are now some other alternatives that take the same approach.
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iPhone Debugging: How to resolve 'failed to get the task for process'?
...but resolved it by following simple following steps :
Make sure you have selected debug rather than release.
In Debug configurations, in project settings, you should have selected developer's profile & no need of specifying the entitlements plist.
Also same setting are there under: Targets: , ...
When should I use a table variable vs temporary table in sql server?
... source for the data inserted to the table is from a potentially expensive SELECT statement then consider that using a table variable will block the possibility of this using a parallel plan.
If you need the data in the table to survive a rollback of an outer user transaction then use a table variab...
MySQL Multiple Joins in one query?
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You can simply add another join like this:
SELECT dashboard_data.headline, dashboard_data.message, dashboard_messages.image_id, images.filename
FROM dashboard_data
INNER JOIN dashboard_messages
ON dashboard_message_id = dashboard_messages.id
INNER JO...
Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive
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From Control Panel open IIS manager -> on Left side select "Application Pools" -> Now on middle part your project listing display then select your project e.g. "MvcApplication1" -> from right side select "set Application Pool Defaults" -> Now change .Net Framework Ver...
TimePicker Dialog from clicking EditText
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eReminderTime.setText( "" + selectedHour + ":" + selectedMinute);
Your missing a + between "" and selected hour, setText methods only take a single string, so you need to concatenate all the parts (the first quotes are likely unnecessary).
eReminderT...
Pandas conditional creation of a series/dataframe column
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If you only have two choices to select from:
df['color'] = np.where(df['Set']=='Z', 'green', 'red')
For example,
import pandas as pd
import numpy as np
df = pd.DataFrame({'Type':list('ABBC'), 'Set':list('ZZXY')})
df['color'] = np.where(df['Set']=='Z', ...
Check if OneToOneField is None in Django
...fortunately, this doesn't work all the time. In case you want to work with select_related() now or in the future -- or maybe even to be sure you also handle other sorts of magic which may happen elsewhere -- you have to extend the test as follows: if hasattr(object, 'onetoonerevrelattr') and object....
Possible to do a MySQL foreign key to one of two possible tables?
...ecific type of filter is easy if you know which type you want to join to:
SELECT * FROM Products
INNER JOIN FiltersType2 USING (product_id)
If you want the filter type to be dynamic, you must write application code to construct the SQL query. SQL requires that the table be specified and fixed at ...
How do I simulate a hover with a touch in touch enabled browsers?
...for added usefulness, add this to your CSS as well:
.hover {
-webkit-user-select: none;
-webkit-touch-callout: none;
}
To stop the browser asking you to copy/save/select the image or whatever.
Easy!
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