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Convert xlsx to csv in Linux with command line
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Using exporter Gnumeric_stf:stf_csv
$ cat newfile.csv
Foo,Bar,Baz
1,2,3
123.6,7.89,
2012/05/14,,
The,last,Line
To install on Ubuntu:
apt-get install gnumeric
To install on Mac:
brew install gnumeric
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How can I get the current date and time in UTC or GMT in Java?
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Behrang, according to stackoverflow.com/questions/4123534/…, the MySQL JDBC driver converts a given java.util.Timestamp (or java.util.Date) to the server time zone.
– Derek Mahar
Dec 7 '10 at 21:02
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Pure JavaScript Send POST Data Without a Form
...to use navigator.sendBeacon():
const data = JSON.stringify({
example_1: 123,
example_2: 'Hello, world!',
});
navigator.sendBeacon('example.php', data);
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Is bool a native C type?
...re all of its elements to be addressable (e.g. _Bool* ptr = &boolArray[123]).
– Dai
Apr 5 at 0:05
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string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)
...String = "";
string whitespaceString = " ";
string nonEmptyString = "abc123";
bool result;
result = String.IsNullOrEmpty(nullString); // true
result = String.IsNullOrEmpty(emptyString); // true
result = String.IsNullOrEmpty(whitespaceString); // false
result = String.I...
Reorder levels of a factor without changing order of values
... relevant difference between the datasets.
– CoderGuy123
Dec 27 '15 at 21:49
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Format date and time in a Windows batch script
...: 20140.01_131612 , must be(2014.10.26_131612)
– waza123
Oct 26 '14 at 11:16
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How to convert an int to string in C?
...o a string.
Here is an example:
int num = 321;
char snum[5];
// convert 123 to string [buf]
itoa(num, snum, 10);
// print our string
printf("%s\n", snum);
If you want to output your structure into a file there is no need to convert any value beforehand. You can just use the printf format spe...
How can I refresh a page with jQuery?
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123
To reload a page with jQuery, do:
$.ajax({
url: "",
context: document.body,
succe...
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
... edited Jul 14 '14 at 12:07
user123444555621
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answered Dec 11 '13 at 0:48
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