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Difference between socket and websocket?
...lications that require a permanent connection to its server. On the other hand, plain sockets are more powerful and generic. They run over TCP/IP but they are not restricted to browsers or HTTP protocol. They could be used to implement any kind of communication.
No. There is no reason.
...
Cause CMAKE to generate an error
...gument for the mode, allowing STATUS, WARNING, AUTHOR_WARNING, SEND_ERROR, and FATAL_ERROR. STATUS messages go to stdout. Every other mode of message, including none, goes to stderr.
You want SEND_ERROR if you want to output an error, but continue processing.
You want FATAL_ERROR if you want to exi...
git-checkout older revision of a file under a new name
... > old_main.cpp
(Note that there is colon [:] character between HEAD^ and main.cpp.) The <revision>:<path> syntax is described in git rev-parse manpage, next to last point in the "Specifying revisions" section:
<rev>:<path>, e.g. HEAD:README, :README, master:./RE...
Check if any ancestor has a class using jQuery
Is there any way in jQuery to check if any parent, grand-parent, great-grand-parent has a class.
3 Answers
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How can I rollback a github repository to a specific commit?
...0 commits in it right now. I need to rollback the repository to commit 80, and remove all the subsequent ones.
6 Answers
...
Access “this” from Java anonymous class
... I didn't know even this keywords could be differentiated just as methods and attributes can. +1
– logo_writer
Jun 6 '16 at 6:50
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count members with jsonpath?
...4 items:
accepted value: [1,2,3,4]
mockMvc.perform(get(API_URL))
.andExpect(jsonPath("$", hasSize(4)));
to test that API returns an object containing 2 members:
accepted value: {"foo": "oof", "bar": "rab"}
mockMvc.perform(get(API_URL))
.andExpect(jsonPath("$.*", hasSize(2)));
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SQL Server equivalent of MySQL's NOW()?
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SYSDATETIME() and SYSUTCDATETIME()
are the DateTime2 equivalents of
GetDate() and GetUTCDate()
which return a DateTime.
DateTime2 is now the preferred method for storing the date and time in SQL Server 2008+. See the following StackOv...
ruby send method passing multiple parameters
Trying to create objects and call methods dynamically by
2 Answers
2
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How do I insert datetime value into a SQLite database?
...
When you format dates like this, date ordering and lexical ordering work out the same. E.g. '2008-02-01' > '2007-02-01', '2008-01-02' > '2008-01-01' both as strings and as dates. But you don't strictly need to care about this because SQLite ORDER BY will take care ...