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Redirecting EC2 Elastic Load Balancer from HTTP to HTTPS
...seful to know its easier now. But this would be a better answer with more info about what to configure instead of just a link.
– John Rees
Aug 7 '18 at 20:20
1
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Why use multiple columns as primary keys (composite primary key)
... 1) the "great primary key debate" link is particularly stupid, the info is self-serving and false. 2) The index on the columns that make the row unique cannot be avoided. A "surrogate" ID with an index is always an additional column and an additional index. Rather silly because it is redund...
How can I find script's directory with Python? [duplicate]
...urrently executing (top-of-stack) script: "x.py". It doesn't
give any path info. It's the "os.path.realpath" call that does the real work.
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follo...
Show current assembly instruction in GDB
...an switch to assembly layout in GDB:
(gdb) layout asm
See here for more information. The current assembly instruction will be shown in assembler window.
┌─────────────────────────────────────────────...
Use of alloc init instead of new
...? (Note: I'm not trying to be condescending; I would just like to get more info, and know if following Apple's lead is sometimes a bad idea.)
– Senseful
Oct 11 '13 at 21:36
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When and why JPA entities should implement Serializable interface?
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This answer is just an info dump and doesn't at all help someone understand why.
– chrips
Oct 21 '19 at 17:27
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How to Sign an Already Compiled Apk
...y-release-key.keystore my_application.apk alias_name
check here for more info
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Filtering for empty or NULL names in a queryset
...ame.objects.exclude(Q(alias__isnull=True) | Q(alias__exact=''))
For more info see this page and this page in the Django docs.
As an aside: My SQL examples are just an analogy--the actual generated SQL code will probably look different. You'll get a deeper understanding of how Django queries work ...
Open Facebook page from Android app?
...nager pm, String url) {
Uri uri = Uri.parse(url);
try {
ApplicationInfo applicationInfo = pm.getApplicationInfo("com.facebook.katana", 0);
if (applicationInfo.enabled) {
// http://stackoverflow.com/a/24547437/1048340
uri = Uri.parse("fb://facewebmodal/f?href=" + url);
}
...
Java HashMap performance optimization / alternative
...d where a ={1, 0}, all else being equal.
Utilise what Java gives you for free.
public int hashCode() {
return 31 * Arrays.hashCode(a) + Arrays.hashCode(b);
}
I'm pretty sure this has much less chance of clashing than your existing hashCode method, although it depends on the exact nature of ...