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How to concatenate strings of a string field in a PostgreSQL 'group by' query?
I am looking for a way to concatenate the strings of a field within a group by query. So for example, I have a table:
14 An...
Disabling Chrome cache for website development
...ev Tools option doesn't seem to work for me. But cache killer works like a charm. The reload time is significantly slower, like 4-5x, but the actual serving up of the new content is obviously much quicker.
– Bryce Johnson
Jan 24 '14 at 18:01
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Is it possible dynamically to add String to String.xml in Android?
Is it possible to have placeholders in string values in string.xml that can be assigned values at run time?
13 Answers
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Output data from all columns in a dataframe in pandas [duplicate]
...orks quite well (prints the first 100 rows):
print paramdata.head(100).to_string()
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ASP.NET MVC: Custom Validation by DataAnnotation
I have a Model with 4 properties which are of type string. I know you can validate the length of a single property by using the StringLength annotation. However I want to validate the length of the 4 properties combined.
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Android: install .apk programmatically [duplicate]
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I solved the problem. I made mistake in setData(Uri) and setType(String).
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.fromFile(new File(Environment.getExternalStorageDirectory() + "/download/" + "app.apk")), "application/vnd.android.package-archive");
intent....
How can you use an object's property in a double-quoted string?
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When you enclose a variable name in a double-quoted string it will be replaced by that variable's value:
$foo = 2
"$foo"
becomes
"2"
If you don't want that you have to use single quotes:
$foo = 2
'$foo'
However, if you want to access properties, or use indexes on vari...
Escape quotes in JavaScript
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You need to escape the string you are writing out into DoEdit to scrub out the double-quote characters. They are causing the onclick HTML attribute to close prematurely.
Using the JavaScript escape character, \, isn't sufficient in the HTML contex...
Catch Ctrl-C in C
... (1)
pause();
return 0;
}
void INThandler(int sig)
{
char c;
signal(sig, SIG_IGN);
printf("OUCH, did you hit Ctrl-C?\n"
"Do you really want to quit? [y/n] ");
c = getchar();
if (c == 'y' || c == 'Y')
exit(0);
else
signa...
What is the difference between g++ and gcc?
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The spec strings are constructed to be specific to the compiler, which in turn are specific to the operating system and target. So if you run -dumpspec on (for example) a cross compiler targeting an embedded system, you will see the ...