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C++ Double Address Operator? (&&)
...++11. int&& a means "a" is an r-value reference. && is normally only used to declare a parameter of a function. And it only takes a r-value expression. If you don't know what an r-value is, the simple explanation is that it doesn't have a memory address. E.g. the number 6, and charac...
Passing HTML to template using Flask/Jinja2
...nder_template . The templating framework seems to escape the html automatically, so all
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How to undo a git merge with conflicts
...nges from before the merge, although it cannot always do so reliably. Generally you shouldn't merge with uncommitted changes anyway.
Prior to version 1.7.4:
git reset --merge
This is older syntax but does the same as the above.
Prior to version 1.6.2:
git reset --hard
which removes all uncom...
How to get anchor text/href on click using jQuery?
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that will target all links even the ones he might not be interested in
– Sarfraz
Apr 16 '10 at 11:09
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How to delete from select in MySQL?
...n result sets. So you need to use IN, not = in your WHERE clause.
Additionally, as shown in this answer you cannot modify the same table from a subquery within the same query. However, you can either SELECT then DELETE in separate queries, or nest another subquery and alias the inner subquery resul...
How to pass html string to webview on android
... web view, after parsing I am creating four strings so that I could append all string to one view. I am able to get two views on the web view but not the first two strings.
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Difference between repository and service?
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A Repository is essentially a facade for persistence that uses Collection style semantics (Add, Update, Remove) to supply access to data/objects. It is a way of decoupling the way you store data/objects from the rest of the application.
A service ...
How to get the parents of a merge commit in git?
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Simple git log <hash> called for a merge commit shows abbreviated hashes of its parents:
$ git log -1 395f65d
commit 395f65d438b13fb1fded88a330dc06c3b0951046
Merge: 9901923 d28790d
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git outputs parents according to their number: the first...
How to detect modifier key states in WPF?
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Much better solution. It also allows you to check all modifiers at once. If you want to handle Ctrl+F, you won't want to handle Ctrl+Shift+F, so you could just check for (e.Key == Key.F && e.KeyboardDevice.Modifiers == ModifierKeys.Control) instea...
求助！关于拓展模块NotificationStyle的demo运行时报错的问题 - App Invent...
...aicompanion3: Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or FLAG_MUTABLE be specified when creating a PendingIntent. Strongly consider using FLAG_IMMUTABLE, only use FLAG_MUTABLE if some functionality depends on the PendingIntent being mutable, e.g. if it needs to be use...