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Regular expression to match a line that doesn't contain a word
...rep -v ). However, is it possible to match lines that do not contain a specific word, e.g. hede , using a regular expression?
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Add object to ArrayList at specified index
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After you add object2 to position 2, it will move object3 to position 3.
If you want object3 to be at position3 all the time I'd suggest you use a HashMap with position as key and object as a value.
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FFmpeg: How to split video efficiently?
...file = 3.14GB DVB transport stream
Conclusion
The single command is better if you are handling HD, it agrees with the manuals comments on using -ss after the input file to do a 'slow seek'. SD files have a negligible difference.
The two command version should be quicker by adding another -ss before ...
When should I use a List vs a LinkedList
... = 0;
foreach (var item in list)
sum += item.A;
Even if you only access data essentially it is much slower!! I say never use a linkedList.
Here is another comparison performing a lot of inserts (we plan on inserting an item at the middle of the list)
Linked List (51 se...
Save string to the NSUserDefaults?
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Is there any way to save this string base on specific date ? thanks but your code works as same as mine , I create a custom calendar app which user can write their notes in it , for example in 3 Feb user writes something and this text should be saved in 3 Feb , and when use...
Append value to empty vector in R?
...abits). ;-)
Note that vector <- c() isn't an empty vector; it's NULL. If you want an empty character vector, use vector <- character().
Pre-allocate the vector before looping
If you absolutely must use a for loop, you should pre-allocate the entire vector before the loop. This will be muc...
How can I split a comma delimited string into an array in PHP?
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If that string comes from a csv file, I would use fgetcsv() (or str_getcsv() if you have PHP V5.3). That will allow you to parse quoted values correctly. If it is not a csv, explode() should be the best choice.
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Shared-memory objects in multiprocessing
...s giant array as input (together with some other parameters). func with different parameters can be run in parallel. For example:
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When to use f:viewAction / preRenderView versus PostConstruct?
...o use one or the other based on the type of scope of the backing bean e.g. If the backing bean is @RequestScoped , then would the choice of using f:viewAction or preRenderView over @PostConstruct to initialize your backing bean prior to rendering the view be irrelevant as the two would result...
Why cannot cast Integer to String in java?
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String Integer
The casting which you are trying, works only if they are in the same hierarchy, e.g.
Object
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/
A
/
/
B
In this case, (A) objB or (Object) objB or (Object) objA will work.
Hence as others have mentioned already, to convert an integer to string u...