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NodeJS: Saving a base64-encoded image to disk
My Express app is receiving a base64-encoded PNG from the browser (generated from canvas with toDataURL() ) and writing it to a file. But the file isn't a valid image file, and the "file" utility simply identifies it as "data".
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How does Apple know you are using private API?
I submitted a binary file to Apple without any source code.
10 Answers
10
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Android - Back button in the title bar
In many apps (Calendar, Drive, Play Store) when you tap a button and enter a new activity, the icon in the title bar turns into a back button, but for the app I am making, it doesn't do that. How do I make that icon take you back to the previous screen?
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What “things” can be injected into others in Angular.js?
...n get hold of the $provide service by asking for it to be injected into an application's config function. An example might be something like this:
app.config(function($provide) {
$provide.provider('greeting', function() {
this.$get = function() {
return function(name) {
alert("H...
How do I solve the INSTALL_FAILED_DEXOPT error?
I am developing an Android application using Android 2.2, my application APK size is 22.5 MB, and I would like to create a new build for a Samsung tablet. I got the following error:
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How can I access my localhost from my Android device?
...wall.
Open Control Panel
Go to Windows Defender Firewall
Tap on Allow an app or feature through Windows Defender Firewall
Check whether the app is enabled for Private networks (there should be a tick)
If it is not enabled, tap Change settings and tick the checkbox under Private for the app
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Django database query: How to get object by id?
...()
File "django/db/models/loading.py", line 72, in _populate
self.load_app(app_name, True)
File "django/db/models/loading.py", line 94, in load_app
app_module = import_module(app_name)
File "django/utils/importlib.py", line 35, in import_module
__import__(name)
ImportError: No module nam...
Access string.xml Resource File from Java Android Code
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Well you can get String using,
getString(R.string.app_name);
And, you can get string-array using
String arr[] = getResources().getStringArray(R.array.planet);
for (int i = 0; i < arr.length; i++) {
Toast.makeText(getBaseContext(),arr[i], Toast.LENGTH_LONG).sho...
How do I make a JAR from a .java file?
I was writing a simple program using a Java application (not application that has projects, but application within a project; .java ) that has a single frame. Both of the files are .java so I can't write a manifest needed by the JAR.
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What does @hide mean in the Android source code?
...aces, whether directly, via reflection, or via JNI. These restrictions are applied whenever an app references a non-SDK interface or attempts to obtain its handle using reflection or JNI.
But before API level 28, the hidden methods could still be accessed via Java reflection. The @hide attribute i...