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What is base 64 encoding used for?
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But why is base64 method used to encode string data? eg in javascript atob function Is there meaning the server to encode a json file to base64 format? Special characters could be a use case but why not utf8 in that case, are they equibalent? Any further resource ...
Escape quote in web.config connection string
I have a connection string in my web config:
5 Answers
5
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Java: Subpackage visibility?
...sInA in package a.b:
package a;
public class ClassInA{
private final String data;
public ClassInA(String data){ this.data = data; }
public String getData(){ return data; }
protected byte[] getDataAsBytes(){ return data.getBytes(); }
protected char[] getDataAsChars(){ return...
Download a file with Android, and showing the progress in a ProgressDialog
...fy the UI thread from here
private class DownloadTask extends AsyncTask<String, Integer, String> {
private Context context;
private PowerManager.WakeLock mWakeLock;
public DownloadTask(Context context) {
this.context = context;
}
@Override
protected String do...
How to run an EXE file in PowerShell with parameters with spaces and quotes
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When PowerShell sees a command starting with a string it just evaluates the string, that is, it typically echos it to the screen, for example:
PS> "Hello World"
Hello World
If you want PowerShell to interpret the string as a command name then use the call operator (...
Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone
..., the data is offset appropriately and +01:00 (or similar) is added to the string. Stripping off the tz_info value (using tz_convert(tz=None)) doesn't doesn't actually change the data that represents the naive part of the timestamp.
So, the only way to do what you want is to modify the underlyin...
Split a collection into `n` parts with LINQ?
...OfChunks");
int sizePerPacket = items.Count / numberOfChunks;
int extra = items.Count % numberOfChunks;
for (int i = 0; i < numberOfChunks - extra; i++)
yield return items.Skip(i * sizePerPacket).Take(sizePerPacket);
int alreadyReturnedCount = (numberOfChunks - extra) *...
Postgresql SELECT if string contains
...
A proper way to search for a substring is to use position function instead of like expression, which requires escaping %, _ and an escape character (\ by default):
SELECT id FROM TAG_TABLE WHERE position(tag_name in 'aaaaaaaaaaa')>0;
...
Ensuring json keys are lowercase in .NET
...wercaseContractResolver : DefaultContractResolver
{
protected override string ResolvePropertyName(string propertyName)
{
return propertyName.ToLower();
}
}
Usage:
var settings = new JsonSerializerSettings();
settings.ContractResolver = new LowercaseContractResolver();
var json...
Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
...cker's example and use Scala's case classes:
case class Person(firstName: String, lastName: String)
The above Scala class contains all features of the below Java class, and some more - for example it supports pattern matching (which Java doesn't have). Scala 2.8 adds named and default arguments, ...