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Fixed size queue which automatically dequeues old values upon new enques
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what happens when someone statically knows the instance as a ConcurrentQueue<T>, they've just circumvented your 'new' keyword.
– mhand
Dec 3 '14 at 2:05
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Inspecting standard container (std::map) contents with gdb
...not anymore.
This isn't integrated into the mainline GDB yet, but here is what you get using the 'archer-tromey-python' branch:
(gdb) list
1 #include <map>
2 int main(){
3 std::map<int,int> m;
4 m[1] = 2;
5 m[2] = 4;
6 return 0;
7 }
(gdb) break 6
Breakpoin...
Mockito How to mock and assert a thrown exception?
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What is "catch-exception"? Got a link?
– Duncan Jones
Apr 26 '13 at 19:19
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How to add a delay for a 2 or 3 seconds [closed]
...ly block the tread. But sometimes it can be useful... it really depends on what the OP needs...
– digEmAll
Mar 27 '11 at 15:07
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Handling optional parameters in javascript
...h argument, you'd have to update your type checking every single time, and what if the fourth or consecutive are also functions?
Drawbacks:
time to refactor code
If you have no choice, you could use a function to detect whether an object is indeed a function ( see last example ).
Note: This ...
How to save a PNG image server-side, from a base64 data string
... "Canvas2Image" JavaScript tool to convert canvas drawings to PNG images.
What I need now is to turn those base64 strings that this tool generates, into actual PNG files on the server, using PHP.
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B-Tree vs Hash Table
... default.
However if you have a very precise use case and you know exactly what and only what is going to be needed, you can take advantage of hashing indexes.
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Disable back button in android
...is will work great
@Override
public void onBackPressed() {
// Do Here what ever you want do on back press;
}
If looking for android api level upto 1.6.
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
//preventing default imp...
Change column type from string to float in Pandas
...ues can all be converted, that's probably all you need.
Error handling
But what if some values can't be converted to a numeric type?
to_numeric() also takes an errors keyword argument that allows you to force non-numeric values to be NaN, or simply ignore columns containing these values.
Here's an e...
How to export/import PuTTy sessions list?
...sing with the registry like this is a Bad Idea™, and I don't really know what I'm doing. Use the below scripts at your own risk, and be prepared to have your IT department re-image your machine and ask you uncomfortable questions about what you were doing.
On the source machine:
.\export.ps1
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