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Converting pixels to dp
...loat dp = somePxValue / density;
density equals
.75 on ldpi (120 dpi)
1.0 on mdpi (160 dpi; baseline)
1.5 on hdpi (240 dpi)
2.0 on xhdpi (320 dpi)
3.0 on xxhdpi (480 dpi)
4.0 on xxxhdpi (640 dpi)
Use this online converter to play around with dpi values.
EDIT:
It seems there is no 1:1 rel...
What's the simplest way to print a Java array?
...], [Alice, Bob]]
double Array:
double[] doubleArray = { 7.0, 9.0, 5.0, 1.0, 3.0 };
System.out.println(Arrays.toString(doubleArray));
Output:
[7.0, 9.0, 5.0, 1.0, 3.0 ]
int Array:
int[] intArray = { 7, 9, 5, 1, 3 };
System.out.println(Arrays.toString(intArray));
Output:
[7, ...
The simplest way to resize an UIImage?
...pixel scaling factor (and thus account for Retina resolution).
// Pass 1.0 to force exact pixel size.
UIGraphicsBeginImageContextWithOptions(newSize, NO, 0.0);
[image drawInRect:CGRectMake(0, 0, newSize.width, newSize.height)];
UIImage *newImage = UIGraphicsGetImageFromCurrentImageCo...
Android Studio 0.4 Duplicate files copied in APK META-INF/LICENSE.txt
...n 7
targetSdkVersion 10
versionCode 1
versionName "1.0"
}
buildTypes {
release {
runProguard false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard- rules.txt'
}
packagingOptions {
exclude 'ME...
ValueError: invalid literal for int() with base 10: ''
...t add, to provide more clarity for future readers, that indeed, int(float('1.0')) works when int('1.0') throws the ValueError.
– katyhuff
Apr 26 '13 at 16:53
6
...
Handlebars/Mustache - Is there a built in way to loop through the properties of an object?
...
Built-in support since Handlebars 1.0rc1
Support for this functionality has been added to Handlebars.js, so there is no more need for external helpers.
How to use it
For arrays:
{{#each myArray}}
Index: {{@index}} Value = {{this}}
{{/each}}
For obje...
How can I return camelCase JSON serialized by JSON.NET from ASP.NET MVC controller methods?
...
fyi For ASP.NET Core 1.0 it's camel case by default OOTB
– Chris Marisic
Jul 7 '16 at 13:24
3
...
Changing API level Android Studio
... 21
targetSdkVersion 28
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
dependencies {
androidTestCompile 'juni...
Change column type from string to float in Pandas
...ors keyword argument:
>>> pd.to_numeric(s, errors='coerce')
0 1.0
1 2.0
2 4.7
3 NaN
4 10.0
dtype: float64
The third option for errors is just to ignore the operation if an invalid value is encountered:
>>> pd.to_numeric(s, errors='ignore')
# the original Series ...
How to manage REST API versioning with spring?
... void methodManual1(@PathVariable("version") String version){
}
//handles 1.0-1.6 range, but somewhat ugly
@RequestMapping({
"/**/public_api/{version:1\\.[0123456]?}/method"
})
public void methodManual1(@PathVariable("version") String version){
}
//fully manual version handling
@RequestMapping...