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How comment a JSP expression?
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Pure JSP comments look like this:
<%-- Comment --%>
So if you want to retain the "=".you could do something like:
<%--= map.size() --%>
The key thing is that <%= defines the beginning of an expression, in which you can't leave the body empty, but you could do somethin...
Transition of background-color
...tion Link</a>
Note: As pointed out by Gerald in the comments, if you put the transition on the a, instead of on a:hover it will fade back to the original color when your mouse moves away from the link.
This might come in handy, too: CSS Fundamentals: CSS 3 Transitions
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How do I convert hex to decimal in Python? [duplicate]
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If by "hex data" you mean a string of the form
s = "6a48f82d8e828ce82b82"
you can use
i = int(s, 16)
to convert it to an integer and
str(i)
to convert it to a decimal string.
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Laravel 4: how to “order by” using Eloquent ORM [duplicate]
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If you are using post as a model (without dependency injection), you can also do:
$posts = Post::orderBy('id', 'DESC')->get();
share
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APP INVENTOR硬件交互学习教程04——蓝牙控制继电器 - 创客硬件开发 - 清泛...
...配置串口
Serial.begin(9600);
}
void loop() {
if(Serial.available()) {
inByte = Serial.read();
if(inByte == 'H'){ digitalWrite(relayPin, HIGH);}
if(inByte == 'L'){ digitalWrite(relayPin, LOW);}
&n...
How can I pass a constant value for 1 binding in multi-binding?
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If your value is simply a string, you can specify it as a constant in the Source property of a binding. If it is any other primitive data type, you need to define a static resource and reference this.
Define the sys namespac...
Create a nonclustered non-unique index within the CREATE TABLE statement with SQL Server
...tic reasons. I thought it could be convenient to anyone reading the script if all constraints/indexes are contained within the same statement. Personally, I like to know whether columns belonging to a foreign key also have an index, and this may have been a nice method to logically group this inform...
RegEx to find two or more consecutive chars
I need to determine if a string contains two or more consecutive alpha chars. Two or more [a-zA-Z] side by side.
Example:
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How to permanently export a variable in Linux?
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@kostja For all new shells ? If I have eclipse running before I change those env variables and I want eclipse to have changed vars, do I have to restart eclipse ?
– Bitterblue
Nov 28 '13 at 9:39
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How to convert a string from uppercase to lowercase in Bash? [duplicate]
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If you are using bash 4 you can use the following approach:
x="HELLO"
echo $x # HELLO
y=${x,,}
echo $y # hello
z=${y^^}
echo $z # HELLO
Use only one , or ^ to make the first letter lowercase or uppercase.
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