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Downloading a file from spring controllers
...d = RequestMethod.GET)
public void getFile(
@PathVariable("file_name") String fileName,
HttpServletResponse response) {
try {
// get your file as InputStream
InputStream is = ...;
// copy it to response's OutputStream
org.apache.commons.io.IOUtils.copy(is, respon...
TargetedPatchingOptOut: “Performance critical to inline across NGen image boundaries”?
...e the method it's applied to even in a different assembly.
For example:
String.Equals has [TargetedPatchingOptOut]
You write a program that calls String.Equals
You run NGen on this program for maximum performance
NGen will inline the String.Equals call, replacing the method call instruction with ...
How to sort an array of associative arrays by value of a given key in PHP?
...
Sorry, but this approach deletes the string keys from associative arrays. "uasort" function should be used, instead.
– Matteo-SoftNet
Mar 26 '14 at 11:54
...
Set color of TextView span in Android
...View)findViewById(R.id.mytextview01);
Spannable wordtoSpan = new SpannableString("I know just how to whisper, And I know just how to cry,I know just where to find the answers");
wordtoSpan.setSpan(new ForegroundColorSpan(Color.BLUE), 15, 30, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
TV.setText...
How to get current time with jQuery
...they will get other results from getHours. This also holds true for the .toString() method. Controlling the time zone in javascript is tricky (you have to calculate the offset between your and the desired time zone and modify the date accordingly). So as mentioned in another answer, using moment.js ...
How to convert an OrderedDict into a regular dict in python3
... it in other places, but some constraints demand using a dict converted to string.
– Ben A.
Nov 23 '13 at 20:00
Would ...
private[this] vs private
...Without private[this]
object ObjectPrivateDemo {
def main(args: Array[String]) {
var real = new User("realUserName", "realPassword")
var guest = new User("dummyUserName", "dummyPassword")
real.displayUser(guest)
}
}
class User(val username:String,val password:String) {
private...
Finding Number of Cores in Java
...tNumberOfCPUCores() {
OSValidator osValidator = new OSValidator();
String command = "";
if(osValidator.isMac()){
command = "sysctl -n machdep.cpu.core_count";
}else if(osValidator.isUnix()){
command = "lscpu";
}else if(osValidator.isWindows()){
command = "...
How to sort git tags by version string order of form rc-X.Y.Z.W?
When I enter a command:
7 Answers
7
...
Django self-referential foreign key
...
You can pass in the name of a model as a string to ForeignKey and it will do the right thing.
So:
parent = models.ForeignKey("CategoryModel")
Or you can use the string "self"
parent = models.ForeignKey("self")
...