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Returning an array using C
...ved_from(srcArray[i]);
...
}
int main(void)
{
char src[] = "This is a test";
char dst[sizeof src];
...
returnArray(src, sizeof src, dst, sizeof dst);
...
}
Another method is for the function to allocate the array dynamically and return the pointer and size:
char *returnArray(const ch...
How to make the 'cut' command treat same sequental delimiters as one?
... all the possible combinations for future readers. Explanations are at the Test section.
tr | cut
tr -s ' ' < file | cut -d' ' -f4
awk
awk '{print $4}' file
bash
while read -r _ _ _ myfield _
do
echo "forth field: $myfield"
done < file
sed
sed -r 's/^([^ ]*[ ]*){3}([^ ]*).*/\2/' ...
How to copy a directory using Ant
...irectory.
<target name="devInstall" depends="generateXsl" description="testing">
<copy flatten="true" todir="${test}/WEB-INF/lib" overwrite="${overwrite}">
<fileset refid="buildJars"/>
<fileset dir="lib">
<include name="...
How to adjust text font size to fit textview
...rs);
initialise();
}
private void initialise() {
mTestPaint = new Paint();
mTestPaint.set(this.getPaint());
//max size defaults to the initially specified text size unless it is too small
}
/* Re size the font so the specified text fits in the text b...
What is the advantage to using bloom filters?
...nts themselves, this is the crucial point. You don't use a bloom filter to test if an element is present, you use it to test whether it's certainly not present, since it guarantees no false negatives. This lets you not do extra work for elements that don't exist in a set (such as disk IO to look the...
Get ID of last inserted document in a mongoDB w/ Java driver
...tln("doc.id before: " + doc.get("_id")); new Mongo("localhost").getDB("test").getCollection("t").insert(doc); System.out.println("doc.id after: " + doc.get("_id")); </code> this code work well for me, tested on new versions mongo 2.2.2, driver 2.10.1
– zlob
...
LLVM vs clang on OS X
...of benchmarks I've seen showed GCC to produce slightly faster code in most test cases (though LLVM had a slight edge in a few), while LLVM and Clang gave significantly better compile times. GCC and the GCC/LLVM combos have the advantage that a lot more code has been tested and works on the GCC flavo...
How do you check what version of SQL Server for a database using TSQL?
...
Here's a bit of script I use for testing if a server is 2005 or later
declare @isSqlServer2005 bit
select @isSqlServer2005 = case when CONVERT(int, SUBSTRING(CONVERT(varchar(15), SERVERPROPERTY('productversion')), 0, CHARINDEX('.', CONVERT(varchar(15), SERV...
Android encryption / decryption using AES [closed]
...
If you are encrypting a text file, then the following test/sample may be useful. It does the following:
Create a byte stream,
wraps that with AES encryption,
wrap it next with text processing
and lastly buffers it
// AESdemo
public class AESdemo extends Activity {
boo...
What are the differences between the different saving methods in Hibernate?
.... I’ll be adding new functionality to a complex application. All my unit tests work fine. Then in testing the UI, trying to save an object, I start getting an exception with the message “a different object with the same identifier value was already associated with the session.” Here’s some e...