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How to input a regex in string.replace?
...ed (i.e. with a backslash placed in front - and the rules are different inside and outside character classes.) There is an excellent online tutorial at: www.regular-expressions.info. The time you spend there will pay for itself many times over. Happy regexing!
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Navigation bar show/hide
...an app with a navigation bar consisting of 2 bar buttons. I would like to hide and show this navigation bar when a user double taps the screen.
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Set initial focus in an Android application
In my Android application it automatically focuses the first Button I have in my layout, giving it an orange outline. How can I set the initial focus preferably in XML, and can this be set to nothing?
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Copy files from one directory into an existing directory
...he current directory, not the directory itself. This method also includes hidden files and folders.
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Rails create or update magic?
...t instantiate any models nor does it trigger Active Record callbacks or validations.
Rails 5, 4, and 3
Not if you are looking for an "upsert" (where the database executes an update or an insert statement in the same operation) type of statement. Out of the box, Rails and ActiveRecord have no suc...
How to check if a path is absolute path or relative path in cross platform way with Python?
...erfectly clear to anyone else who might find this: `c:\` is a perfectly valid file/directory name in unix. So, it would really be a relative path on a unix system. Hence, the function is cross-platform. Because, it takes the specialties of Windows and Unix into account.
– Lemmi...
Who is listening on a given TCP port on Mac OS X?
...at -pntl | grep $PORT or fuser -n tcp $PORT to find out which process (PID) is listening on the specified TCP port. How do I get the same information on Mac OS X?
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Find directory name with wildcard or similar to “like”
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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Brew doctor says: “Warning: /usr/local/include isn't writable.”
... @WillemLabu one less process fork? whoami is effective user id and as the man page says is obsolete :) bash is default shell on OSX and somewhere USER is getting set.
– jrwren
Mar 5 '14 at 18:54
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How to replace a string in a SQL Server Table Column
... edited Nov 12 '14 at 19:47
qualidafial
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answered May 2 '09 at 9:45
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