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Signed to unsigned conversion in C - is it always safe?
... need to subtract the given number from max value (256 in case of unsigned char)? For example: 140 when converted to signed number becomes -116. But 20 becomes 20 itself. So any easy trick here?
– Jon Wheelock
Oct 18 '15 at 14:01
...
Jenkins Host key verification failed
...The better way to do that is to generate correct mappings between host and ip address, so ssh will not complain:
#!/bin/bash
for domain in "github.com" "bitbucket.org"; do
sed -i "/$domain/d" ~/.ssh/known_hosts
line=$(ssh-keyscan $domain,`nslookup $domain | awk '/^Address: / { print $2 ; e...
Simplest way to read json from a URL in java
...;
import org.json.JSONObject;
public class JsonReader {
private static String readAll(Reader rd) throws IOException {
StringBuilder sb = new StringBuilder();
int cp;
while ((cp = rd.read()) != -1) {
sb.append((char) cp);
}
return sb.toString();
}
public static JSON...
How to find out where a function is defined?
...s a basic function that will scan your entire project files for a specific string and tell you which file it is in and which char position it starts at using only basic php.
Hope this helps someone...
<?php
$find="somefunction()";
echo findString('./ProjectFolderOrPath/',$find);
function find...
Strip Leading and Trailing Spaces From Java String
...e a convenience method to strip any leading or trailing spaces from a Java String?
6 Answers
...
Convert JsonNode into POJO
...e(fileReader, MyClass.class);
I say should because I'm using that with a String, not a BufferedReader but it should still work.
Here's my code:
String inputString = // I grab my string here
MySessionClass sessionObject;
try {
ObjectMapper objectMapper = new ObjectMapper();
sessionObject ...
Does Android support near real time push notification?
I recently learned about the ability of iPhone apps to receive nearly instantaneous notifications to apps notifications to apps .
...
How do I iterate through the alphabet?
...
You can use string.ascii_lowercase which is simply a convenience string of lowercase letters,
>>> from string import ascii_lowercase
>>> for c in ascii_lowercase:
... # append to your url
...
Reading CSV files using C#
...,");
while (!parser.EndOfData)
{
//Processing row
string[] fields = parser.ReadFields();
foreach (string field in fields)
{
//TODO: Process field
}
}
}
It works great for me in my C# projects.
Here are some more links/informations...
Finish an activity from another activity
...@Override
public void onReceive(Context arg0, Intent intent) {
String action = intent.getAction();
if (action.equals("finish_activity")) {
finish();
// DO WHATEVER YOU WANT.
}
}
};
registerReceiver(broadcastReceiver, new IntentFilter("finish_ac...