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How to prevent a background process from being stopped after closing SSH client in Linux
... between you and the process.
Create as coproc.sh:
#!/bin/bash
IFS=
run_in_coproc () {
echo "coproc[$1] -> main"
read -r; echo $REPLY
}
# dynamic-coprocess-generator. nice.
_coproc () {
local i o e n=${1//[^A-Za-z0-9_]}; shift
exec {i}<> <(:) {o}<> >(:) {e}&...
How to map and remove nil values in Ruby
...
Ruby 2.7+
There is now!
Ruby 2.7 is introducing filter_map for this exact purpose. It's idiomatic and performant, and I'd expect it to become the norm very soon.
For example:
numbers = [1, 2, 5, 8, 10, 13]
enum.filter_map { |i| i * 2 if i.even? }
# => [4, 16, 20]
In your ...
How to get the Full file path from URI
...ISyntaxException {
final boolean needToCheckUri = Build.VERSION.SDK_INT >= 19;
String selection = null;
String[] selectionArgs = null;
// Uri is different in versions after KITKAT (Android 4.4), we need to
// deal with different Uris.
if (needToChec...
Java: PrintStream to String?
...= new ByteArrayOutputStream();
final String utf8 = StandardCharsets.UTF_8.name();
try (PrintStream ps = new PrintStream(baos, true, utf8)) {
yourFunction(object, ps);
}
String data = baos.toString(utf8);
...
Why declare a struct that only contains an array in C?
...to char *, drastically reducing type-safety.
In summary:
typedef struct A_s_s { char m[113]; } A_s_t; // Full type safey, assignable
typedef char A_c_t[113]; // Partial type-safety, not assignable
A_s_t v_s(void); // Allowed
A_c_t v_c(void); // Forbid...
GoogleTest: How to skip a test?
...have a broken test that you cannot fix right away, you can add the DISABLED_ prefix to its name. This will exclude it from execution."
Examples:
// Tests that Foo does Abc.
TEST(FooTest, DISABLED_DoesAbc) { ... }
class DISABLED_BarTest : public ::testing::Test { ... };
// Tests that Bar does Xyz...
WebService Client Generation Error with JDK8
...http://docs.oracle.com/javase/7/docs/api/javax/xml/XMLConstants.html#ACCESS_EXTERNAL_SCHEMA)
Create a file named jaxp.properties (if it doesn't exist) under /path/to/jdk1.8.0/jre/lib and then write this line in it:
javax.xml.accessExternalSchema = all
That's all. Enjoy JDK 8.
...
Build tree array from flat array in javascript
...ibrary. It's, as far as I can tell, the fastest solution.
function list_to_tree(list) {
var map = {}, node, roots = [], i;
for (i = 0; i < list.length; i += 1) {
map[list[i].id] = i; // initialize the map
list[i].children = []; // initialize the children
}
for (i = 0; i ...
How to make Eclipse behave well in the Windows 7 taskbar?
...ecify the latest available Java VM in your eclipse.ini. I.e.:
-vm
jdk1.6.0_10\jre\bin\client\jvm.dll
Make sure they are on separate lines
Anything after the "vmargs" is taken to be vm arguments
(More info)
Or alternatively add the java bin folder to your Windows PATH before the "windows32" fo...
Best way to handle list.index(might-not-exist) in python?
...
thing_index = thing_list.index(elem) if elem in thing_list else -1
One line. Simple. No exceptions.
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