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Inner join vs Where
...fer to reserve the WHERE clause for limiting the dataset (e.g. WHERE DATE > (SYSDATE - 1)) instead of also defining how the tables relate to each other (e.g. WHERE T1.ID = T2.ID). For a small table like the example in question makes little difference, but for large queries involving several table...
What is the simplest way to convert a Java string from all caps (words separated by underscores) to
... {
sb.append(Character.toUpperCase(s.charAt(0)));
if (s.length() > 1) {
sb.append(s.substring(1, s.length()).toLowerCase());
}
}
System.out.println(sb);
}
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Crash logs generated by iPhone Simulator?
...p
set print asm-demangle on
set print symbol-filename on
p/a 0×00015c64 -> address got by opening the crash log in “Console” app or just double clicking the the .crash file.
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Change templates in Xcode
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In xcode 5.0.1:
1.Go->Applications
2.right click "xcode" application
3.chose "Show Package Contents"
4.contents/Developer/Library/Xcode/Templates
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How do I monitor the computer's CPU, memory, and disk usage in Java?
...uTime();
long nanoAfter = System.nanoTime();
long percent;
if (nanoAfter > nanoBefore)
percent = ((cpuAfter-cpuBefore)*100L)/
(nanoAfter-nanoBefore);
else percent = 0;
System.out.println("Cpu usage: "+percent+"%");
Note: You must import com.sun.management.OperatingSystemMXBean and not jav...
How do I find all files containing specific text on Linux?
... Yes @markle976, in fact from man grep: fgrep is the same as grep -F -> Interpret PATTERN as a list of fixed strings.
– fedorqui 'SO stop harming'
Sep 30 '13 at 8:23
18
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counting number of directories in a specific directory
... print just 2 and could be useful for conditions, like: if (( $dir_count > 1 )); then echo "Yaa"; fi # will print "Yaa"
– naorz
May 17 '17 at 8:10
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How do I remove a folder from source control with TortoiseSVN?
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You right click on the directory, go to TortoiseSVN -> Delete. You then right click on the parent directory and SVN Commit... and that will remove the folder.
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How should I cast in VB.NET?
... a situation where I have no idea if the cast should succeed (user input -> integers, for example), then I use TryCast so as to do something more friendly than toss an exception at the user.
One thing I can't shake is I tend to use ToString instead of CStr but supposedly Cstr is faster.
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Download file of any type in Asp.Net MVC using FileResult?
...d);
var myFile = AppModel.MyFiles.SingleOrDefault(x => x.Id == fileId);
if (myFile != null)
{
byte[] fileBytes = myFile.FileData;
return File(fileBytes, System.Net.Mime.MediaTypeNames.App...