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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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Ruby Arrays: select(), collect(), and map()
..., but a Hash. You can also use select here, but the block is given the key and value in this case:
irb(main):001:0> h = {:sku=>"507772-B21", :desc=>"HP 1TB 3G SATA 7.2K RPM LFF (3 .", :qty=>"", :qty2=>"1", :price=>"5,204.34 P"}
irb(main):002:0> h.select { |key, value| !value.em...
Query a parameter (postgresql.conf setting) like “max_connections”
Does anyone know if it's even possible (and how, if yes) to query a database server setting in PostgreSQL (9.1)?
1 Answer
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setup cron tab to specific time of during weekdays
...server. We want the cron job to run the script at certain times of the day and on some specific days of the week. For example, we want to setup a cron job that runs the script with the following sequence:
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TFS: Restore deleted folders and items
I deleted some files and some folders in TFS. Many check in's later I found out that I need the deleted functionality back in my project.
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How to change int into int64?
...64 := int64(i)
fmt.Printf("%T %T", i, i64) // to print the data types of i and i64
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What is the difference between allprojects and subprojects
...e tell me what exactly is the difference between the "allprojects" section and the "subprojects" one? Just the parent directory? Does anyone use both? If so, do you have general rules that determines what typically is put in each one?
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android image button
How can i create a button with no text and an image centered horizontally ?
I don't want to use an ImageButton because I want to define a different backgound image
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django - query filter on manytomany is empty
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And the inverse is possible with TestModel.objects.exclude(manytomany=None)
– Alex L
Oct 2 '13 at 9:30
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Calling static generic methods
...nt of type Class<E> (so it would be createFoo(Class<E> type)), and call it with createFoo(String.class)
– Gavin S. Yancey
Apr 16 '15 at 2:24
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