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Are there disadvantages to using a generic varchar(255) for all text-based fields?
...ap String fields to VARCHAR(255) by default and I never bothered to override it).
7 Answers
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What is hashCode used for? Is it unique?
...ems, in WP7, which return a sequence of number. Can I use this hashcode to identify an item? For example I want to identify a picture or a song in the device, and check it whereabout. This could be done if the hashcode given for specific items is unique.
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Ignoring time zones altogether in Rails and PostgreSQL
...mestamp
A value typed as timestamp tells Postgres that no time zone is provided explicitly. The current time zone is assumed. Postgres ignores any time zone modifier added to the input literal by mistake!
No hours are shifted for display. With the same time zone setting all is fine. For a different...
How do I connect to a specific Wi-Fi network in Android programmatically?
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You need to create WifiConfiguration instance like this:
String networkSSID = "test";
String networkPass = "pass";
WifiConfiguration conf = new WifiConfiguration();
conf.SSID = "\"" + networkSSID + "\""; // Please note the quotes. String should contain ssid in quotes
Then, for WEP network you...
keycode 13 is for which key
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How did you create the "key effect" for the Enter phrase in your answer?
– Sarwar Erfan
May 22 '11 at 7:45
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Calling filter returns [duplicate]
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That's the object's ID. In CPython, it's the memory location.
– mgilson
Sep 7 '12 at 13:35
2
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ListView item background via custom selector
...d finally solved it. As Romain Guy hinted to, there's another state, "android:state_selected", that you must use. Use a state drawable for the background of your list item, and use a different state drawable for listSelector of your list:
list_row_layout.xml:
<?xml version="1.0" encoding="utf-8...
Bootstrap 3 Flush footer to bottom. not fixed
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@HardlyNoticeable one is min-width to force the wrapper even if the content is less.
– Surjith S M
Jul 14 '17 at 6:34
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What is the difference D3 datum vs. data?
...uldn't figure out for the past week! Thank you so much... always such stupid things that are wrong.
– Adam
Feb 24 '14 at 6:23
23
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How to handle change of checkbox using jQuery?
...do stuff here. It will fire on any checkbox change
});
Code: http://jsfiddle.net/s6fe9/
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