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Why do people hate SQL cursors so much? [closed]
...wever PL/SQL cursors are something of a last resort, use them when you are unable to solve a problem with set-based SQL.
Another reason is parallelization, it is easier for the database to parallelize big set-based statements than row-by-row imperative code. It is the same reason why functional pro...
Prevent double submission of forms in jQuery
...there is a network failure and they want to try to resubmit, they would be unable to do so and would lose the changes they made. This would definitely make an angry user.
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Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...下，形成/usr/local/logstash-1.4.3/bin这种目录结构。
Logstash的运行方式为主程序+配置文件。Collect，Enrich和Transport的行为在配置文件中定义。配置文件的格式有点像json，又有点像php。
3.3. 编写Shipper角色的配置文件：shipper.conf
input ...
Xcode “Build and Archive” from command line
...pa_path}" must be an absolute path. Otherwise you will probably get error: Unable to create '.../...ipa' or it will be silently ignored creating. Damn it wasted me a couple of hours.
– h--n
Dec 12 '11 at 10:47
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How to convert R Markdown to PDF?
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I am unable to run the last command in RStudio. I have tried system("wkhtmltopdf temp.html temp.pdf") Any idea how to fix that
– Urvah Shabbir
Jun 24 '17 at 23:58
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Cannot create or edit Android Virtual Devices (AVD) from Eclipse, ADT 22.6
...ed hastily... now its not opening due to error eclipse executable launcher unable to locate campanian shared library... what can I do ?
– Abdul Wahab
Apr 13 '14 at 9:28
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Undo a git stash
... Didn't work for me. I got an error: mymodule/MyClass.java: needs merge - unable to refresh index. Avoiding a manual merge was precisely my goal when using git stash pop...
– TanguyP
Sep 18 '15 at 15:10
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简单谈谈软件配置管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...能或已分配的配置标识中刻画的性能和功能特性，并且其运行和支持文档是完整的和满意的。
配置审计的范围：物理审计的范围是受控项和基线项，功能审计的范围是基线项。
功能审计是验收的前提条件，不同的角色所做的...
Get user info via Google API
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I used the above Urls but unable to get user's profile. Getting '{' only. Plz can u post some code or links. Thanks in advance.
– Panache
Sep 5 '11 at 13:39
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How to properly import a selfsigned certificate into Java keystore that is available to all Java app
...HOST:$REMPORT.pem
then
:
else
echo "ERROR: Unable to extract the certificate from $REMHOST:$REMPORT ($?)"
cat /tmp/output
fi
if $KEYTOOL -list -storepass ${KEYSTORE_PASS} -alias $REMHOST:$REMPORT >/dev/null
then
echo "Key of $REMHOST alread...