大约有 47,000 项符合查询结果（耗时：0.0722秒） [XML]
Unlimited Bash History [closed]
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Set HISTSIZE and HISTFILESIZE in .bashrc to an empty string:
HISTSIZE=
HISTFILESIZE=
In bash 4.3 and later you can also use HISTSIZE=-1 HISTFILESIZE=-1:
n. Setting HISTSIZE to a value less than zero causes the history list to be
unlimited (setting it 0 zero disables t...
SELECT INTO Variable in MySQL DECLARE causes syntax error?
... type can be one of: integer, decimal, floating-point, binary or nonbinary string, or NULL value. See the User-Defined Variables documentation for more information:
http://dev.mysql.com/doc/refman/5.0/en/user-variables.html
You can use SELECT ... INTO to assign columns to a variable:
http://dev....
How to make gradient background in android
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//Color.parseColor() method allow us to convert
// a hexadecimal color string to an integer value (int color)
int[] colors = {Color.parseColor("#008000"),Color.parseColor("#ADFF2F")};
//create a new gradient color
GradientDrawable gd = new GradientDrawable(
GradientDrawable.Orientation.TOP_BOTT...
How to access a dictionary element in a Django template?
... a template expression like {{ foo.bar }} will be interpreted as a literal string and not using the value of the variable “bar”, if one exists in the template context.
– jamesc
Dec 13 '13 at 18:00
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Bash history without line numbers
... variable is set and not null, its value is used as a
format string for strftime(3) to print the time stamp associated
with each history entry displayed by the history builtin. If
this variable is set, time stamps are written to the history
fi...
What exactly is an HTTP Entity?
... @lmray: they are entirely different entities. ;) (One is about encoding strings in a HTML text, the other is about structuring information when a browser and a server talk to each other over the HTTP protocol. Also, one is more confusing than the other. Or vice versa. ;-o )
–...
How to customize the back button on ActionBar
...Backup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/MyCustomTheme" >
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【转】用App Inventor 2实现电子围栏功能 - App应用开发 - 清泛IT社区，为创新赋能！
...北和东南坐标的嵌套列表，格式为((北西)(南东))CenterFromString地图中心Set the initial center coordinate of the map. The value is specified as a comma-separated pair of decimal latitude and longitude coordinates, for example, 42.359144, -71.093612.In blocks code, it is recommende...
java: ArrayList - how can i check if an index exists?
I'm using ArrayList<String> and I add data at specific indices,
how can I check if a specific index exists?
11 Ans...
数据存储组件 · App Inventor 2 中文网
...应用程序。兼容模式可用于旧的应用程序（新约束之前）Android 上的文件访问。
行数据
获取当前已加载的源文件的行数据列表。
源文件
设置数据解析的源文件，然后异步解析文件。结果存储在 列数据 、行数据 及 列名列...