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How do I manage MongoDB connections in a Node.js web application?
...his is a right answer. My god imagine that I have to open and close each time I do something it would be 350K per hour just for my inserts! It's like attacking my own server.
– Maziyar
Sep 30 '13 at 1:12
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Failed binder transaction when putting an bitmap dynamically in a widget
Can anybody tell me the reason for failed binder transaction error? I can see this error message in logcat.
I am getting this error while trying to put an bitmap dynamically in a widget...
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How to urlencode data for curl command?
I am trying to write a bash script for testing that takes a parameter and sends it through curl to web site. I need to url encode the value to make sure that special characters are processed properly. What is the best way to do this?
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Launching Google Maps Directions via an intent on Android
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You could use something like this:
Intent intent = new Intent(android.content.Intent.ACTION_VIEW,
Uri.parse("http://maps.google.com/maps?saddr=20.344,34.34&daddr=20.5666,45.345"));
startActivity(intent);
To start the navigation f...
Intercepting links from the browser to open my Android app
...hotostream app's AndroidManifest.xml,
<activity
android:name=".PhotostreamActivity"
android:label="@string/application_name">
<!-- ... -->
<intent-filter>
<action android:name="android.intent.action.VIEW" />
...
How to install both Python 2.x and Python 3.x in Windows
...two (or more, using their installers) versions of Python on Windows 7 (for me work with 3.3 and 2.7).
Follow the instuctions below, changing the parameters for your needs.
Create the following environment variable (to default on double click):
Name: PY_PYTHON
Value: 3
To launch a script in a ...
Load HTML file into WebView
...the assets folder then call:
webView.loadUrl("file:///android_asset/filename.html");
For Complete Communication between Java and Webview See This
Update: The assets folder is usually the following folder:
<project>/src/main/assets
This can be changed in the asset folder configuration sett...
Is there a reason for C#'s reuse of the variable in a foreach?
When using lambda expressions or anonymous methods in C#, we have to be wary of the access to modified closure pitfall. For example:
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How to add additional fields to form before submit?
Is there a way to use javascript and JQuery to add some additional fields to be sent from a HTTP form using POST?
6 Answers...
Converting Secret Key into a String and Vice Versa
...= KeyGenerator.getInstance("AES").generateKey();}
catch (NoSuchAlgorithmException e) {/* LOG YOUR EXCEPTION */}
if (secretKey != null) {stringKey = Base64.encodeToString(secretKey.getEncoded(), Base64.DEFAULT)}
String to SecretKey:
// DECODE YOUR BASE64 STRING
// REBUILD KEY USING Secret...