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How to set JAVA_HOME in Linux for all users
... /etc/profile.d/jdk_home.sh:
#!/bin/sh
export JAVA_HOME=/opt/ibm/java-x86_64-60/
export PATH=$JAVA_HOME/bin:$PATH
I initially neglected the first line (the #!/bin/sh), and it won't work without it.
Now it's working:
$ echo $JAVA_HOME
/opt/ibm/java-x86_64-60/
...
Build query string for System.Net.HttpClient get
...mitrov
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MySQL maximum memory usage
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184
MySQL's maximum memory usage very much depends on hardware, your settings and the database itse...
Using git, how do I ignore a file in one branch but have it committed in another branch?
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84
This solution appears to work only for certain, patched versions of git. See a new answer po...
What is time_t ultimately a typedef to?
...t systems implement the time_t type as a signed
integer (typically 32 or 64 bits wide)
which represents the number of seconds
since the start of the Unix epoch:
midnight UTC of January 1, 1970 (not
counting leap seconds). Some systems
correctly handle negative time values,
while others...
How to trim whitespace from a Bash variable?
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84
Bash has a feature called parameter expansion, which, among other things, allows string replace...
Quit and restart a clean R session from within R?
...eActiveBinding("restart.R", function() { shell.exec(paste0(R.home(),"/bin/x64/Rgui.exe")); q("no") }, .GlobalEnv)
You'll need to edit the file path /bin/x64/Rgui.exe to match whatever you use to start R. You just put this line in your .Rprofile file, then you can call it by entering restart.R in y...
Default value in Go's method
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84
What a pain. I wish it was: func Concat1(a string = 'foo', b int = 10) string { like in most other modern languages... It would reduce any ...
XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv
... use with https://github.com/kripken/sql.js/)
I created a file called base64_data.js (and used btoa() to convert the data that I needed and insert it into a <div> so I could copy it).
var base64_data = "U1FMaXRlIGZvcm1hdCAzAAQA ...<snip lots of data> AhEHwA==";
and then included the ...
Difference between pre-increment and post-increment in a loop?
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84
In C# there is no difference when used in a for loop.
for (int i = 0; i < 10; i++) { Consol...