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TreeMap sort by value
...ment more than once. You just violated that constraint. From the SortedSet API: Note that the ordering maintained by a sorted set must be consistent with equals.... The solution would be to change to a List implementation.
– dacwe
Dec 12 '12 at 17:42
...
Resize a large bitmap file to scaled output file on Android
...rough Bitamp created earlier.
For me it has been performing fine on 5 MegaPixel images an below.
try
{
int inWidth = 0;
int inHeight = 0;
InputStream in = new FileInputStream(pathOfInputImage);
// decode image size (decode metadata only, not the whole image)
BitmapFactory.Op...
Jackson how to transform JsonNode to ArrayNode without casting?
...e functions that you would typically associate with array nodes from other API's. As such, you do not need to cast to an ArrayNode to use. Here's an example:
JSON:
{
"objects" : ["One", "Two", "Three"]
}
Code:
final String json = "{\"objects\" : [\"One\", \"Two\", \"Three\"]}";
final JsonN...
How can I send large messages with Kafka (over 15MB)?
I send String-messages to Kafka V. 0.8 with the Java Producer API.
If the message size is about 15 MB I get a MessageSizeTooLargeException .
I have tried to set message.max.bytes to 40 MB, but I still get the exception. Small messages worked without problems.
...
What is a segmentation fault?
...ssible for someone else to mess with your memory. In WIN32 there are nasty API's like 'WriteProcessMemory' too!
– paulm
Feb 17 '14 at 23:46
1
...
Do you use NULL or 0 (zero) for pointers in C++?
..., that assumes that those other uses of NULL are actually incorrect. Many APIs have long used NULL with handles, and that is in fact the documented usage with many of them. It's not pragmatic to suddenly break those and declare that they're doing it wrong.
– Adrian McCarthy
...
How to check for an active Internet connection on iOS or macOS?
... // calling application is using the CFSocketStream or higher APIs.
if ((flags & kSCNetworkReachabilityFlagsInterventionRequired) == 0)
{
// ... and no [user] intervention is needed
return YES;
...
Get content uri from file path in android
...
This is not working on android Pie api 28. Cursor returns null
– Ibrahim Gharyali
Nov 15 '18 at 7:26
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How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved
...andard-1.1.2.jar together. This is wrong. You're basically mixing JSTL 1.2 API+impl from Oracle with JSTL 1.1 impl from Apache. You need to remove any standard-xxx.jar. Just only the jstl-1.2.jar is sufficient.
<dependency>
<groupId>javax.servlet</groupId>
<artifactId&g...
Pointers vs. values in parameters and return values
...ntion accepting a pointer to avoid allocations by allowing reuse; changing APIs for the sake of memory reuse is an optimization I'd delay until it's clear the allocations have a nontrivial cost, and then I'd look for a way that doesn't force the trickier API on all users:
For avoiding allocations, ...