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Which @NotNull Java annotation should I use?
...ind.FLOAT,
TypeKind.LONG,
TypeKind.SHORT,
TypeKind.BYTE
},
literals = {LiteralKind.STRING}
)
@DefaultQualifierInHierarchy
@DefaultFor({TypeUseLocation.EXCEPTION_PARAMETER})
@DefaultInUncheckedCodeFor({TypeUseLocation.PARAMETER, TypeUseLocation.LOWER_BOUND})
public @in...
Loop through an array of strings in Bash?
..." are really important. Without them, the for loop will break up the array by substrings separated by any spaces within the strings instead of by whole string elements within the array. ie: if you had declare -a arr=("element 1" "element 2" "element 3"), then for i in ${arr[@]} would mistakenly iter...
Determine a user's timezone
... if you live in GMT-8, it will return 480.
To put this into hours, divide by 60. Also, notice that the sign is the opposite of what you need - it's calculating GMT's offset from your time zone, not your time zone's offset from GMT. To fix this, simply multiply by -1.
Also note that w3school says:...
Setting default permissions for newly created files and sub-directories under a directory in Linux?
...s dirname
This will ensure that files created in the directory are owned by the group. You should then make sure everyone runs with umask 002 or 007 or something of that nature---this is why Debian and many other linux systems are configured with per-user groups by default.
I don't know of a way...
Doctrine2: Best way to handle many-to-many with extra columns in reference table
...t() as $track) { echo $track->getTrack()->getTitle(); } provided by @Crozin and consider the relationship as an entity? I think what he want to ask is how to skip the relational entity and retrieving the title of a track by using foreach ($album->getTracklist() as $track) { echo $t...
Ruby, Difference between exec, system and %x() or Backticks
What is the difference between the following Ruby methods?
3 Answers
3
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Different class for the last element in ng-repeat
...e {
color: #800;
}
The :last-of-type selector is currently supported by 98% of browsers
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How to convert .pfx file to keystore with private key?
...
Using JDK 1.6 or later
It has been pointed out by Justin in the comments below that keytool alone is capable of doing this using the following command (although only in JDK 1.6 and later):
keytool -importkeystore -srckeystore mypfxfile.pfx -srcstoretype pkcs12
-destkeys...
What are the differences between poll and select?
...but I've never
seen one. Both select() and poll() are being standardized by POSIX
1003.1g.
October 2017 Update:
The email referenced above is at least as old as 2001; the poll() command is now (2017) supported across all modern operating systems - including BSD. In fact, some people believe ...
Passing a string with spaces as a function argument in bash
...to set each string to a variable, call the function with variables denoted by a literal dollar sign \$. Then in the function use eval to read the variable and output as expected.
#!/usr/bin/ksh
myFunction()
{
eval string1="$1"
eval string2="$2"
eval string3="$3"
echo "string1 = ${string1}...