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I want to get the type of a variable at runtime
...sTag example, but uses an anonymous variable.
One can also get a ClassTag from a value's Class, like this:
val x: Any = 5
val y = 5
import scala.reflect.ClassTag
def f(a: Any, b: Any) = {
val B = ClassTag(b.getClass)
ClassTag(a.getClass) match {
case B => "a is the same class as b"
...
Java Security: Illegal key size or default parameters?
...oad (only required for versions before Java 8 u162)
Extract the jar files from the zip and save them in ${java.home}/jre/lib/security/.
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How does the static modifier affect this code?
... values are:
A obj=null
num1=0
num2=0
The second phase, execution, starts from top to bottom. In Java, the execution starts from the first static members.
Here your first static variable is static A obj = new A();, so first it will create the object of that variable and call the constructor, hence...
How to determine if a string is a number with C++?
...tring is a number. For a game I am writing I just need to check if a line from the file I am reading is a number or not (I will know if it is a parameter this way). I wrote the below function which I believe was working smoothly (or I accidentally edited to stop it or I'm schizophrenic or Windows ...
setTimeout in for-loop does not print consecutive values [duplicate]
... is incorrect. The closure was already there since you could call alert(i) from an anonymous callback. The problem was closure references i from global for block. So the proper answer is: IIFE creates additional scope per iteration to bound i and pass it to the anonymous callback. Then closure refer...
What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?
...
make clean removes any intermediate or output files from your source / build tree. However, it only affects the source / build tree; it does not touch the rest of the filesystem and so will not remove previously installed software.
If you're lucky, running make uninstall wil...
PHP server on local machine?
...nd later have a built-in web server these days.
You simply run the command from the terminal:
cd path/to/your/app
php -S 127.0.0.1:8000
Then in your browser go to http://127.0.0.1:8000 and boom, your system should be up and running. (There must be an index.php or index.html file for this to work.)
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pdftk compression option
... best out of all mentioned solutions for me. A few large images went down from 23MB to 1.4MB with by far the least quality loss.
– AerandiR
Feb 26 '13 at 5:19
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How to write loop in a Makefile?
...utputs 1 through 10 inclusive, just change the while terminating condition from 10 to 1000 for a much larger range as indicated in your comment.
Nested loops can be done thus:
target:
num1=1 ; while [[ $$num1 -le 4 ]] ; do \
num2=1 ; while [[ $$num2 -le 3 ]] ; do \
echo $$n...
Loading custom configuration files
...ConfigurationManager.ConnectionStrings. Instead you have to read the value from the config object returned from the last statement above.
– Oliver
Dec 8 '15 at 7:42
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