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ValueError: invalid literal for int() with base 10: ''
...epresentation of a float to an int, as @katyhuff points out above, you can convert to a float first, then to an integer:
>>> int('5')
5
>>> float('5.0')
5.0
>>> float('5')
5.0
>>> int(5.0)
5
>>> float(5)
5.0
>>> int('5.0')
Traceback (most recent...
How do I convert a string to a number in PHP?
I want to convert these types of values, '3' , '2.34' , '0.234343' , etc. to a number. In JavaScript we can use Number() , but is there any similar method available in PHP?
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Converting pixels to dp
...
// Converts 14 dip into its equivalent px
float dip = 14f;
Resources r = getResources();
float px = TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP,
dip,
r.getDisplayMetrics()
);
...
Android Bitmap to Base64 String
How do I convert a large Bitmap (photo taken with the phone's camera) to a Base64 String?
7 Answers
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项目管理实践【三】每日构建【Daily Build Using CruiseControl.NET and MS...
...blisher>
<!--该节点用来配置合并多个文件，当时有外部插件时，要把他们分别产生的输出文件合并-->
<merge>
<!--要合并的文件，合并后的信息可以显示在Web Dashboard和邮件通知里-->
<files>
<!--...
How to convert an int array to String with toString method in Java [duplicate]
...parated by the characters ", " (a comma followed by a space). Elements are converted to strings as by String.valueOf(int). Returns "null" if a is null.
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How to convert milliseconds into human readable form?
I need to convert an arbitrary amount of milliseconds into Days, Hours, Minutes Second.
19 Answers
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How to calculate dp from pixels in android programmatically [duplicate]
...t the OP asked for.
Note that TypedValue.applyDimension cannot be used to convert px->dp, for that you must use the method described here: https://stackoverflow.com/a/17880012/504611 (quoted below for convenience).
Without Context object, elegant static methods:
public static int dpToPx(int...
Convert Java Array to Iterable
...ke the only way to avoid needlessly iterating through all of the values to convert from the object type to the primitive type (via Guava's Ints.asList() for example), just to be able to get an Iterator from the List that was created.
– spaaarky21
Apr 20 '17 at ...
How to cast an Object to an int
... your object is a String, then you can use the Integer.valueOf() method to convert it into a simple int :
int i = Integer.valueOf((String) object);
It can throw a NumberFormatException if your object isn't really a String with an integer as content.
Resources :
Oracle.com - Autoboxing
Oracle...