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check android application is in foreground or not? [duplicate]
... edited May 23 '17 at 11:55
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answered Dec 13 '11 at 13:31
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What is the difference between char * const and const char *?
...ld declare both variables to be int * const; I don't know any way to use a combined declaration to create two variables of that type without a typedef.
– supercat
Apr 12 '13 at 21:57
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How to clear basic authentication details in chrome
... login prompt if you include a username in the url e.g.
http://me@example.com
This is not a real full solution, see Mike's comment below.
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Dump a mysql database to a plaintext (CSV) backup from the command line
...s to mysqldump, I'm all ears. Also, I'd like something I can run from the command line (linux). If that's a mysql script, pointers to how to make such a thing would be helpful.
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classical inheritance vs prototypal inheritance in javascript
...n as abstraction.
Abstraction: The representation of real world things in computer programs.
Theoretically an abstraction is defined as "a general concept formed by extracting common features from specific examples". However for the sake of this explanation we're going to use the aforementioned de...
How can I change a file's encoding with vim?
...an.txt
So you should be able to change the encoding as part of the write command.
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How do you write a migration to rename an ActiveRecord model and its table in Rails?
...tion file manually.
Edit:
In Rails 3.1 & 4, ActiveRecord::Migration::CommandRecorder knows how to reverse rename_table migrations, so you can do this:
class RenameOldTableToNewTable < ActiveRecord::Migration
def change
rename_table :old_table_name, :new_table_name
end
end
(You s...
In MVVM should the ViewModel or Model implement INotifyPropertyChanged?
... had the Model implement INotifyPropertyChanged , but in Josh Smith's CommandSink example the ViewModel implements INotifyPropertyChanged .
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Catching error codes in a shell pipe
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If you really don't want the second command to proceed until the first is known to be successful, then you probably need to use temporary files. The simple version of that is:
tmp=${TMPDIR:-/tmp}/mine.$$
if ./a > $tmp.1
then
if ./b <$tmp.1 >$tmp....
How to add additional fields to form before submit?
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