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Android; Check if file exists without creating a new one
...hing else.
File file = new File(filePath);
if(file.exists())
//Do something
else
// Do something else.
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Split views.py in several files
My views.py has become too big and it's hard to find the right view.
10 Answers
10
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Java Serializable Object to Byte Array
Let's say I have a serializable class AppMessage .
12 Answers
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The “unexpected ++” error in jslint [duplicate]
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@MattClarkson: According to Crockford: The increment ++ and decrement -- operators make it possible to write in an extremely terse style. In languages such as C, they made it possible to write one-liners that: for (p = src, q = dest; !*p; p++, q++) *q = *p; Most of the buf...
Placing/Overlapping(z-index) a view above another view in android
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You can't use a LinearLayout for this, but you can use a FrameLayout. In a FrameLayout, the z-index is defined by the order in which the items are added, for example:
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent...
How to split a String by space
... have should work. If, however, the spaces provided are defaulting to... something else? You can use the whitespace regex:
str = "Hello I'm your String";
String[] splited = str.split("\\s+");
This will cause any number of consecutive spaces to split your string into tokens.
As a side note, I'm n...
What's the fastest way to do a bulk insert into Postgres?
... into a postgres database. Presently I am executing 1000's of insert statements in a single "query".
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String to object in JS
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Actually, the best solution is using JSON:
Documentation
JSON.parse(text[, reviver]);
Examples:
1)
var myobj = JSON.parse('{ "hello":"world" }');
alert(myobj.hello); // 'world'
2)
var myobj = JSON.parse(JSON.stringify({
hello: "world"
});
alert(myobj.hello); //...
How to import a class from default package
I am using Eclipse 3.5 and I have created a project with some package structure along with the default package. I have one class in default package - Calculations.java and I want to make the use of that class in any of the package (for instance in com.company.calc ). When I try to make the use of...
How can I check if a value is a json object?
... will convert it to boolean false
}
else
{
// the response was something else
}
}
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