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I tried this, but no luck. No error in console as well :(
– Govind Kailas
Feb 15 '14 at 11:21
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Performance surprise with “as” and nullable types
I'm just revising chapter 4 of C# in Depth which deals with nullable types, and I'm adding a section about using the "as" operator, which allows you to write:
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How to print colored text in Python?
...e end string at the end.
CRED = '\033[91m'
CEND = '\033[0m'
print(CRED + "Error, does not compute!" + CEND)
This produces the following in bash, in urxvt with a Zenburn-style color scheme:
Through experimentation, we can get more colors:
Note: \33[5m and \33[6m are blinking.
This way we ca...
How do I write the 'cd' command in a makefile?
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@Beta: well yes, and a dash prefix ignores the error status as well. Maybe I got a little carried away, I wanted to point out the fact that make does echos the command, regardless of what kind of command it is. And in this case, it's a command with no output, which makes ...
Changing MongoDB data store directory
...your solution but when I am restarting the application it giving following error - 2019-11-18T18:58:45.215+1100 I STORAGE [initandlisten] exception in initAndListen: 28596 Unable to determine status of lock file in the data directory /var/lib/mongo: boost::filesystem::status: Permission denied: "/v...
Oracle SQL: Update a table with data from another table
...n = (select...)
never worked for me since set only expects 1 value - SQL Error: ORA-01427: single-row subquery returns more than one row.
here's the solution:
BEGIN
For i in (select id, name, desc from table1)
LOOP
Update table2 set name = i.name, desc = i.desc where id = i.id;
END LOOP;
END;
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How to elegantly ignore some return values of a MATLAB function?
...e , isn't optional. Just typing [~ ~ var] will not work, and will throw an error.
See the release notes for details.
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How do you get git to always pull from a specific branch?
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I just tried this, and I get the error fatal: Not a valid object name: 'origin/master'. even though origin is a valid remote, and master exists, as per usual, in both repos.
– Ken Williams
Apr 6 '12 at 14:00
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How come a non-const reference cannot bind to a temporary object?
...ld get at the modified value anyway. He says that this, most likely, is an error.
– sbi
Oct 14 '09 at 16:56
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Downcasting in Java
Upcasting is allowed in Java, however downcasting gives a compile error.
11 Answers
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