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SQL Server SELECT into existing table
...etting an "undeclared variable" error. Though maybe this issue is only for MySQL. The CREATE TABLE ... LIKE .. worked;
– LazerSharks
Jul 7 '13 at 22:35
...
Difference between / and /* in servlet mapping url pattern
...also the empty string URL pattern . This will be invoked when the context root is requested. This is different from the <welcome-file> approach that it isn't invoked when any subfolder is requested. This is most likely the URL pattern you're actually looking for in case you want a "home page ...
数据存储组件 · App Inventor 2 中文网
...Google Sheets API，最后创建一个Sheets API 的服务帐户。
有关如何创建服务帐户以及在何处查找的说明使用 Google 表格组件的其他相关信息，可以在此处找到。
行号和列号是从 1 开始索引的。
属性
ApplicationName
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Threads vs Processes in Linux
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If a process forks with an open mysql connection, bad things happen, as the socket is shared between two processes. Even if only one process uses the connection, the other stops it from being closed.
– MarkR
Nov 2 '12 ...
CSS content property: is it possible to insert HTML instead of Text?
...l be relative to your css file's path i.e, if you've got your css file in /root/css/yourFile.css, then a relative funcIRI like yourFile.svg will be pointing to /root/css/yourFile.svg/. But, I think I remember that some earlier UA had a bug and made it relative to the document's baseURI. So the secur...
Why does the order in which libraries are linked sometimes cause errors in GCC?
...llowing scenario:
myprog.o - containing main() function, dependent on libmysqlclient
libmysqlclient - static, for the sake of the example (you'd prefer the shared library, of course, as the libmysqlclient is huge); in /usr/local/lib; and dependent on stuff from libz
libz (dynamic)
How do we link...
Why is my Git Submodule HEAD detached from master?
...ath>
# <submodule-path> is here path releative to parent repo root
# without starting path separator
$ git config -f .gitmodules submodule.<submodule-path>.branch <branch>
$ git config -f .gitmodules submodule.<submodule-path>.update <rebase|merge>
...
What is the difference between Non-Repeatable Read and Phantom Read?
... easy to understand explanation. However I think most databases ( oracle , mysql ) have a default isolation level of Read Committed and probably postgress uses default of repeatable_read
– akila
Nov 12 '19 at 23:44
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Targeting position:sticky elements that are currently in a 'stuck' state
... trick, if the situation allows for sticking to a pixel or two outside its root container, rather than properly flush against. That way when it sits just beyond the edge, the observer fires and we're off and running.
const observer = new IntersectionObserver(
([e]) => e.target.toggleAttribut...
Abort makefile if variable not set
...an be missed
# in case a file named like `check-defined-...` exists in the root
# directory, e.g. left by an accidental `make -t` invocation.
.PHONY : __check_defined_FORCE
__check_defined_FORCE :
Usage:
foo :|check-defined-BAR
Notice that the check-defined-BAR is listed as the order-only (...