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How to mount a host directory in a Docker container
...ltiple key-value pairs, separated by commas. Each key/value pair takes the form of a <key>=<value> tuple. The --mount syntax is more verbose than -v or --volume, but the order of the keys is not significant, and the value of the flag is easier to understand.
The type of the mount, which ...
R script line numbers at error?
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hirse
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answered Sep 18 '09 at 18:17
Dirk EddelbuettelDirk...
How to include file in a bash shell script
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Yes, use source or the short form which is just .:
. other_script.sh
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How do you implement a good profanity filter?
...er the most basic of profanity: basic swear words, URLs or even personal information and so on, but others need to prevent illicit account naming (Xbox live is an example) or far more...
User generated content doesn't just contain potential swear words, it can also contain offensive references to:
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NSString property: copy or retain?
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For attributes whose type is an immutable value class that conforms to the NSCopying protocol, you almost always should specify copy in your @property declaration. Specifying retain is something you almost never want in such a situation.
Here's why you want to do that:
NSMutableStrin...
Conceptually, how does replay work in a game?
...s already solved. Another method may be to treat random numbers as another form of input and save those alongside keypresses and the like.
– Kylotan
Jun 28 '10 at 11:00
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Why does writeObject throw java.io.NotSerializableException and how do I fix it?
...ch do not implement Serializable. In your case the offending class is TransformGroup. How to solve it?
if the class is yours, make it Serializable
if the class is 3rd party, but you don't need it in the serialized form, mark the field as transient
if you need its data and it's third party, conside...
How to get the number of days of difference between two dates on mysql?
... the calculation
In your case, you'd use :
mysql> select datediff('2010-04-15', '2010-04-12');
+--------------------------------------+
| datediff('2010-04-15', '2010-04-12') |
+--------------------------------------+
| 3 |
+--------------------------------...
Java Date vs Calendar
.... For example, a constant Date in the application (examples: the zero 1970/01/01, or an applicative END_OF_TIME that you set to 2099/12/31 ; those are very useful to replace null values as start time and end time, especially when you persist them in the database, as SQL is so peculiar with nulls).
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Only one expression can be specified in the select list when the subquery is not introduced with EXI
...to the column on the other side of the IN. So the query needs to be of the form:
SELECT * From ThisTable WHERE ThisColumn IN (SELECT ThatColumn FROM ThatTable)
You also want to add sorting so you can select just from the top rows, but you don't need to return the COUNT as a column in order to do ...