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How to check which locks are held on a table
...g on the version of SQL Server in question.
In your case, for SQL Server 2005, sp_lock is still available, but deprecated, so it's now recommended to use the sys.dm_tran_locks view for this kind of thing. You can find an example of how to "roll your own" sp_lock function here.
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Why use argparse rather than optparse?
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edited Sep 10 '17 at 14:34
Cœur
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Why use armeabi-v7a code over armeabi code?
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answered Aug 16 '11 at 17:07
Nikolay ElenkovNikolay Elenkov
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Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
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708
You could also pass the content to the pseudo element with a data attribute and then use jQuery...
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
... MQTT 服务器建立网络连接的最大时间间隔。默认超时为 30 秒。值为 0 表示禁用超时处理，这意味着客户端将一直等待，直至网络连接成功或失败。
TimeToWait - 等待时间
设置控制权返回给调用App之前等待操作完成的最长等待时...
How to initialize a struct in accordance with C programming language standards
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740
In (ANSI) C99, you can use a designated initializer to initialize a structure:
MY_TYPE a = { ....
HTTP 401 - what's an appropriate WWW-Authenticate header value?
... gut feel if you are using forms based authentication is to stay with the 200 + relogin page but add a custom header that the browser will ignore but your AJAX can identify.
For a really good User + AJAX experience, get the script to hang on to the AJAX request that found the session expired, fire ...
What does the slash mean in help() output?
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190
It signifies the end of the positional only parameters, parameters you cannot use as keyword par...
java.net.UnknownHostException: Invalid hostname for server: local
... local computer. Try with the hostname "localhost" instead, or perhaps 127.0.0.1 or ::1 (the last one is IPv6).
From the javadocs:
Thrown to indicate that the IP address
of a host could not be determined.
127.0.0.1or ::1 or "localhost" should always be the loopback interface, so if that doe...