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Get a substring of a char* [duplicate]
...oblem is that you can't do much with that string data without copying it. If you take a pointer to the section from the original string you need to know the length as it will have no null terminator (Without affecting the original string).
– Goz
Nov 12 '13 at ...
How to automatically start a service when running a docker container?
...ld phase and stops after the build is completed. Instead, you need to specify the command when the container is started using the CMD or ENTRYPOINT commands like below:
CMD mysql start
Secondly, the docker container needs a process (last command) to keep running, otherwise the container will exi...
UITextView style is being reset after setting text property
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Sitting with this for hours, I found the bug.
If the property "Selectable" = NO it will reset the font and fontcolor when setText is used.
So turn Selectable ON and the bug is gone.
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SQL Server IN vs. EXISTS Performance
...quires SQL Server to generate a complete result set, and then create a big IF statement I think.
– Randy Minder
Jan 14 '10 at 16:04
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R object identification
...26, e=letters))
data(cars)
obj <- lm(dist ~ speed, data=cars)
..etc.
If obj is an S3 or S4 object, you can also try methods or showMethods, showClass, etc. Patrick Burns' R Inferno has a pretty good section on this (sec #7).
EDIT: Dirk and Hadley mention str(obj) in their answers. It really...
Remove leading and trailing spaces?
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Don't forget to assign the output of s.strip() back to s if that's your goal: s=s.strip()
– Seanonymous
May 15 '15 at 20:32
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What's the use of session.flush() in Hibernate
...es are not "committed" yet.
So after doing flush and before doing commit, if you access DB directly (say from SQL prompt) and check the modified rows, you will NOT see the changes.
This is same as opening 2 SQL command sessions. And changes done in 1 session are not visible to others until commit...
Turn off autosuggest for EditText?
... EditText.
android:inputType="textFilter"
Here is a Tip. Use this line if you want to be able to use the "enter" key.
android:inputType="textFilter|textMultiLine"
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Getting name of the class from an instance
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if all you want to do is test an object to see if it's a type of a certain Class
BOOL test = [self isKindOfClass:[SomeClass class]];
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Find the IP address of the client in an SSH session
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Check if there is an environment variable called:
$SSH_CLIENT
OR
$SSH_CONNECTION
(or any other environment variables) which gets set when the user logs in. Then process it using the user login script.
Extract the IP:
$ ech...