大约有 42,000 项符合查询结果（耗时：0.0728秒） [XML]
Difference between a Message Broker and an ESB
...
You can use a transformation broker without a service bus, and vice versa. In terms of specific products I don't think any one is purely one or the other because of the way each complements the other. Some products are stronger in the one area...
How to avoid isset() and empty()
...undefined" and "undefined offset" messages when running on the E_NOTICE error level, because the existence of variables is not explicitly checked using isset() and consorts.
...
Does Python have a ternary conditional operator?
If Python does not have a ternary conditional operator, is it possible to simulate one using other language constructs?
26 ...
Match everything except for specified strings
I know that the following regex will match "red", "green", or "blue".
7 Answers
7
...
What are the undocumented features and limitations of the Windows FINDSTR command?
The Windows FINDSTR command is horribly documented. There is very basic command line help available through FINDSTR /? , or HELP FINDSTR , but it is woefully inadequate. There is a wee bit more documentation online at https://docs.microsoft.com/en-us/windows-server/administration/windows-commands...
How to identify if a webpage is being loaded inside an iframe or directly into the browser window?
...me based facebook app. Now I want to use the same html page to render the normal website as well as the canvas page within facebook. I want to know if I can determine whether the page has been loaded inside the iframe or directly in the browser?
...
Checking from shell script if a directory contains files
From a shell script, how do I check if a directory contains files?
26 Answers
26
...
Best way to check for “empty or null value”
What is best way to check if value is null or empty string in Postgres sql statements?
10 Answers
...
Checking if a string is empty or null in Java [duplicate]
I'm parsing HTML data. The String may be null or empty, when the word to parse does not match.
5 Answers
...
Options, Settings, Properties, Configuration, Preferences — when and why?
There are several words with similar (in some sense) meaning:
8 Answers
8
...