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How to set a JVM TimeZone Properly
...For example
-Duser.timezone=Europe/Sofia
and this should do the trick.
Setting the environment variable TZ also does the trick on Linux.
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Parsing Visual Studio Solution files
... }
}
public List<SolutionProject> Projects { get; private set; }
public Solution(string solutionFileName)
{
if (s_SolutionParser == null)
{
throw new InvalidOperationException("Can not find type 'Microsoft.Build.Construction.SolutionParser' are y...
How do I schedule jobs in Jenkins?
...
By setting the schedule period to 15 13 * * * you tell Jenkins to schedule the build every day of every month of every year at the 15th minute of the 13th hour of the day.
Jenkins used a cron expression, and the different fields...
Undo git update-index --assume-unchanged
...
To get undo/show dir's/files that are set to assume-unchanged run this:
git update-index --no-assume-unchanged <file>
To get a list of dir's/files that are assume-unchanged run this:
git ls-files -v|grep '^h'
...
#define macro for debug printing in C?
...db_newindent(void);
extern int db_oldindent(void);
extern int db_setdebug(int level);
extern int db_setindent(int i);
extern void db_print(int level, const char *fmt,...);
extern void db_setfilename(const char *fn);
extern void db_setfileptr(FILE *fp);
extern FILE *db_g...
DataTrigger where value is NOT null?
I know that I can make a setter that checks to see if a value is NULL and do something. Example:
12 Answers
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How to generate random SHA1 hash to use as ID in node.js?
... editor after snippets, if snippets enabled
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Permanently add a directory to PYTHONPATH?
...indows would a semicolon. If you need to override system paths on windows, setting via the GUI as a user environment variable may not be sufficient, as user variables are appended to system variables. In these cases, you'll need to resort to a startup script that makes the necessary adjustments.
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How to make “if not true condition”?
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Linear Regression and group by in R
...regression coefficient r^2:
## make fake data
library(data.table)
set.seed(1)
dat <- data.table(x=runif(100), y=runif(100), grp=rep(1:2,50))
##calculate the regression coefficient r^2
dat[,summary(lm(y~x))$r.squared,by=grp]
grp V1
1: 1 0.01465726
2: 2 ...