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How can I get System variable value in Java?
... System.getProperties(). These variables can be initialized when the VM is started using a series -Dname=value command line arguments. For example, the values for the properties maxInMemory and pagingDirectory are set in the command below:
C:\> java.exe -DmaxInMemory=100M -DpagingDirectory=c:\t...
converting CSV/XLS to JSON? [closed]
...;
// Get the first Sheet.
Sheet sheet = workbook.getSheetAt( 0 );
// Start constructing JSON.
JSONObject json = new JSONObject();
// Iterate through the rows.
JSONArray rows = new JSONArray();
for ( Iterator<Row> rowsIT = sheet.rowIterator(); rowsIT.hasNext(); )
{
...
Xcode stuck on Indexing
... This fixed it for me. I had a Docker container running with "make start" in the background.
– Devin Young
Feb 4 '16 at 11:24
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YYYY-MM-DD format date in shell script
...nt date, bash >=4.3 defaults to current time if not provided
# -2 -> start time for shell
printf -v date '%(%Y-%m-%d)T\n' -1
# put current date as yyyy-mm-dd HH:MM:SS in $date
printf -v date '%(%Y-%m-%d %H:%M:%S)T\n' -1
# to print directly remove -v flag, as such:
printf '%(%Y-%m-%d)T\n' -...
How to print pandas DataFrame without index
...labels come out not justified to the data (there are spaces missing at the start). Maybe because my data takes up more characters than the column label. Adding the argument justify='left' fixes it, though obviously changes the alignment of the column labels.
– ErnestScribbler
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Difference between break and continue in PHP?
...
break exits the loop you are in, continue starts with the next cycle of the loop immediatly.
Example:
$i = 10;
while (--$i)
{
if ($i == 8)
{
continue;
}
if ($i == 5)
{
break;
}
echo $i . "\n";
}
will output:
9
7
6
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Int or Number DataType for DataAnnotation validation attribute
...
Try one of these regular expressions:
// for numbers that need to start with a zero
[RegularExpression("([0-9]+)")]
// for numbers that begin from 1
[RegularExpression("([1-9][0-9]*)")]
hope it helps :D
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How to use WHERE IN with Doctrine 2
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Not only but starting from 2.1
– Maciej Pyszyński
Aug 23 '12 at 10:33
7
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Visual studio compiles fine but still shows red lines
I am using VS 2012 and it was working all fine until I started observing some funny behavior. When I open my code it shows red Underlines which we usually see when there is an error in our code. Surprisingly, code compiles all fine. I have made following observations that are not normal at all.
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String difference in Bash
...tring Two. \n Using the pipe is similar, except it shows a process number, starts with the 1c1 after the next $, and waits until you press <kbd>Enter<kbd> (or you can do other commands...)
– bballdave025
May 23 '19 at 18:28
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