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How to write an XPath query to match two attributes?
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An explicit value for the identity column in table can only be specified when a column list is used
...If your table is an archive table and you always specify an explicit value for the identity column, why do you even need an identity column? Just use a regular int instead.
Details on Solution 1
Instead of
SET IDENTITY_INSERT archive_table ON;
INSERT INTO archive_table
SELECT *
FROM source_ta...
Create singleton using GCD's dispatch_once in Objective-C
...the low-level details can give you insights into powerful new ways to transform Objective-C.
Refer here: instancetype
+ (instancetype)sharedInstance
{
static dispatch_once_t once;
static id sharedInstance;
dispatch_once(&once, ^
{
sharedInstance = [self new];
}); ...
Sql Server equivalent of a COUNTIF aggregate function
... (I know the OP asked about MS SQL, but just a tiny comment for SQLite users doing the same thing) SQLite has no ISNULL, instead you can do CASE WHEN myColumn IS NULL, or use ifnull ( stackoverflow.com/a/799406/1861346 )
– Matt
Oct 28 '17 at 2:55...
How to change color of SVG image using CSS (jQuery SVG image replacement)?
...eed to set the IMG to have a class of svg. The 'social-link' class is just for examples sake. The ID is not required, but is useful.
Then use this jQuery code (in a separate file or inline in the HEAD).
/**
* Replace all SVG images with inline SVG
*/
jQuery('img.svg').each(fu...
How can I add a PHP page to WordPress?
I want to create a custom page for my WordPress blog that will execute my PHP code in it, whilst remaining a part of the overall site CSS/theme/design.
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android button selector
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could you please elaborate more for how to set pressed and non-pressed state? (with all the components above such as round color, stroke, etc). Many thanks!
– pearmak
Dec 24 '12 at 17:13
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Correct way to override Equals() and GetHashCode() [duplicate]
I have never really done this before so i was hoping that someone could show me the correct what of implementing a override of Except() and GetHashCode() for my class.
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Event handler not working on dynamic content [duplicate]
I have a tag A in which when clicked on, it appends another tag B to perform an action B on click. So when I click on tag B, action B is performed. However, the .on method does not seems to be working on the dynamically created tag B.
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自定义下载器扩展：个性化下载进度展示 - App Inventor 2 拓展 - 清泛IT社...
...e/emulated/0/Download/any folder name
Set the custom notification title for download complete notification.
Set the custom notification message for download complete notification.
Get a list of all download IDs
Get the ASD path of your app
Get the current download ID.
Cancel all on...