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What is the difference between precision and scale?
... significant digits.
Reference:
http://download.oracle.com/docs/cd/B28359_01/server.111/b28318/datatype.htm#CNCPT1832
That page also has some examples that will make you understand precision and scale.
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Set focus on TextBox in WPF from view model
... force it to false and then true. public bool IsFocused { get { return _isFocused; } set { if (_isFocused == value) { _isFocused = false; OnPropertyChanged(); } _isFocused = value; OnPropertyChanged(); } }
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MediaNotification 媒体通知扩展：管理媒体播放器通知，支持播放控制 · Ap...
...eite.ursai2medianotification.aix
.aia示例文件：
UrsMediaNotification_3_1.aia
版本历史
版本
修改内容
1.0 (2021-05-05)
初始版本
1.1 (2021-07-11)
- 移除了 GetDuration 和 GetDurationS...
Rails 4 LIKE query - ActiveRecord adds quotes
...ring and you're not handling it right.
Replace
"name LIKE '%?%' OR postal_code LIKE '%?%'", search, search
with
"name LIKE ? OR postal_code LIKE ?", "%#{search}%", "%#{search}%"
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improv...
mongodb: insert if not exists
... This is almost what I want ! How can I not touch the insertion_date field if the object is already present ?
– LeMiz
May 27 '10 at 21:24
28
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Count number of occurrences of a pattern in a file (even on same line)
...color tags it prints out:
echo -e "a\nb b b\nc\ndef\nb e brb\nr" \
| GREP_COLOR="033" grep --color=always b \
| perl -e 'undef $/; $_=<>; s/\n//g; s/\x1b\x5b\x30\x33\x33/\n/g; print $_' \
| wc -l
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Identify if a string is a number
...you can discard the out parameter
var isNumeric = int.TryParse("123", out _);
The var s can be replaced by their respective types!
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follow
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Purpose of Unions in C and C++
... and the subsequent release of TC3. open-std.org/jtc1/sc22/wg14/www/docs/dr_283.htm
– Pascal Cuoq
Aug 17 '13 at 6:53
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Reading a file line by line in Go
...since the OP asked to scan over a file, it would be trivial to first file, _ := os.Open("/path/to/file.csv") and then scan over the file handle: scanner := bufio.NewScanner(file)
– Evan Plumlee
Aug 18 '13 at 13:28
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Difference between ActionBarSherlock and ActionBar Compatibility
...ibility. ActionBarSherlock is really easy and nice to use.
--EDIT--
As LOG_TAG mentioned, there is now support for the action bar in the Android Support Library. I haven't had a chance to use it yet, but I would imagine that's the best one to use.
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