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If threads share the same PID, how can they be identified?
...shares its PID with any threads it starts. Thread ID's are usually managed by the thread library itself (such as pthread, etc...). If the 4 threads are started they should have the same PID. The kernel itself will handle thread scheduling and such but the library is the one that is going to be manag...
C/C++ NaN constant (literal)?
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@MikeSeymour Not by the language standard but as far as I know it should work if the compiler claims to be IEEE compliant.
– Pixelchemist
May 22 '13 at 12:23
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Initialising an array of fixed size in python [duplicate]
...It can't be resized or appended to. In particular, it doesn't waste space by padding its length. This is the Python equivalent of Java's
Object[] a = new Object[n];
If you're really interested in performance and space and know that your array will only store certain numeric types then you can ch...
SVG Positioning
...orter alternative to the previous answer. SVG Elements can also be grouped by nesting svg elements:
<svg xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink">
<svg x="10">
<rect x="10" y="10" height="100" width="100" style="stroke:#ff0000;fill: #0000f...
Export from sqlite to csv using shell script
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sqlite3
You have a separate call to sqlite3 for each line; by the time your select runs, your .out out.csv has been forgotten.
Try:
#!/bin/bash
./bin/sqlite3 ./sys/xserve_sqlite.db <<!
.headers on
.mode csv
.output out.csv
select * from eS1100_sensor_results;
!
instead.
sh/bas...
break out of if and foreach
...o you cannot "break out of it".
You can, however, break out of the foreach by simply calling break. In your example it has the desired effect:
foreach($equipxml as $equip) {
$current_device = $equip->xpath("name");
if ( $current_device[0] == $device ) {
// found a match in the fil...
How to handle dependency injection in a WPF/MVVM application
...:
Lucky Likey provided an answer to get rid of the static service locator, by letting Ninject instantiate UI classes. The details of the answer can be seen here
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How to run a single test from a rails test suite?
...st, use the following command from your rails project's main directory:
ruby -I test test/unit/my_model_test.rb -n test_name
This runs a single test named "name", defined in the MyModelTest class in the specified file. The test_name is formed by taking the test name, prepending it with the word ...
Swift make method parameter mutable?
...o work for closures since closures evidently only capture inout parameters by value (at least that is the error message Xcode gives me). I use @GeRyCh solution in this case.
– wcochran
Apr 14 '17 at 16:03
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How to change line width in ggplot?
...ata, and a legend created.
An aesthetic may also be set to a single value, by defining it outside aes().
As far as I can tell, what you want is to set size to a single value, not map within the call to aes()
When you call aes(size = 2) it creates a variable called `2` and uses that to create the ...