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How to construct a relative path in Java from two absolute paths (or URLs)?
...
It's a little roundabout, but why not use URI? It has a relativize method which does all the necessary checks for you.
String path = "/var/data/stuff/xyz.dat";
String base = "/var/data";
String relative = new File(base).toU...
Best way to hide a window from the Alt-Tab program switcher?
...now and this is still one of those things I don't know how to do properly. It's easy to hide a window from the taskbar via a property in both Windows Forms and WPF, but as far as I can tell, this doesn't guarantee (or necessarily even affect) it being hidden from the Alt + ↹Tab dialog. I've seen...
How can I get the source code of a Python function?
...p:
If foo is defined as:
def foo(arg1,arg2):
#do something with args
a = arg1 + arg2
return a
Then:
import inspect
lines = inspect.getsource(foo)
print(lines)
Returns:
def foo(arg1,arg2):
#do something with args
a = arg1 + arg2 ...
moveCamera with CameraUpdateFactory.newLatLngBounds crashes
...aChangeListener() {
@Override
public void onCameraChange(CameraPosition arg0) {
// Move camera.
map.moveCamera(CameraUpdateFactory.newLatLngBounds(builder.build(), 10));
// Remove listener to prevent position reset on camera move.
map.setOnCameraChangeListene...
What code analysis tools do you use for your Java projects? [closed]
...kstyle.
CPD is the PMD "Copy/Paste Detector" tool. I was using PMD for a little while before I noticed the "Finding Duplicated Code" link on the PMD web page.
I'd like to point out that these tools can sometimes be extended beyond their "out-of-the-box" set of rules. And not just because they're o...
How can I concatenate regex literals in JavaScript?
Is it possible to do something like this?
12 Answers
12
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How to append data to div using JavaScript?
...here I fill the div from JavaScript, how can I append new data to the div without losing the previous data found in div?
11...
Chrome Development Tool: [VM] file from javascript
... (jaydata.js) and was pressing "Step over to the next function call."
When it got to a line that was:
9 Answers
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What does |= (ior) do in Python?
...an update operation
counters: a union (of multisets) operation
numbers: a bitwise OR, binary operation
In most cases, it is related to the | operator. See examples below.
Sets
For example, the union of two assigned sets s1 and s2 share the following equivalent expressions:
>>> s1 = s1 | s...
How do I kill all the processes in Mysql “show processlist”?
...m one by one, MySQL does not have any massive kill command. You can script it in any language, for example in PHP you can use something like:
$result = mysql_query("SHOW FULL PROCESSLIST");
while ($row=mysql_fetch_array($result)) {
$process_id=$row["Id"];
if ($row["Time"] > 200 ) {
$sql=...