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Quicksort vs heapsort
...d pivot (yes, there is an overhead to get a good pivot).
static void Main(string[] args)
{
int[] arrToSort = new int[100000000];
var r = new Random();
for (int i = 0; i < arrToSort.Length; i++) arrToSort[i] = r.Next(1, arrToSort.Length);
Console.WriteLine("Press q to quick sort,...
Making a UITableView scroll when text field is selected
... above the keyboard whenever the textfields become the first responder. No extra code needed.
– Sam Ho
Sep 23 '10 at 5:03
3
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How to convert String object to Boolean Object?
How to convert String object to Boolean object?
14 Answers
14
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What does the comma operator , do?
...
I've seen used most in while loops:
string s;
while(read_string(s), s.len() > 5)
{
//do something
}
It will do the operation, then do a test based on a side-effect. The other way would be to do it like this:
string s;
read_string(s);
while(s.len() >...
Append to string variable [closed]
How can I append a word to an already populated string variable with spaces?
4 Answers
...
Programmatically obtain the phone number of the Android phone
...(TelephonyManager)mAppContext.getSystemService(Context.TELEPHONY_SERVICE);
String mPhoneNumber = tMgr.getLine1Number();
Required Permission:
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
Caveats:
According to the highly upvoted comments, there are a few caveats t...
How do I install jmeter on a Mac?
...s.
OUTDATED:
If you want to include the plugins (JMeterPlugins Standard, Extras, ExtrasLibs, WebDriver and Hadoop) use:
brew install jmeter --with-plugins
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Is it safe to parse a /proc/ file?
...ch as mine) implement the proc_read function with a single sprintf(). The extra complication in the core drivers implementation is to handle potentially very long output which may not fit in the intermediate, kernel-space buffer during a single read.
I tested that with a program using a 64K read b...
How can you encode a string to Base64 in JavaScript?
I have a PHP script that can encode a PNG image to a Base64 string.
26 Answers
26
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Getting a File's MD5 Checksum in Java
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try (InputStream is = Files.newInputStream(Paths.get("file.zip"))) {
String md5 = org.apache.commons.codec.digest.DigestUtils.md5Hex(is);
}
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