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Custom toast on Android: a simple example
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really anybody could explain purpose of findViewById(R.id.toast_layout_root)? it's gonna be null anyway, and it works perfectly well with just passing null
– sergey.n
Oct 2 '17 at 17:36
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Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...memory for the innodb_buffer_pool_size in the my.cfg file you show in the post, but MySQL thinks you are asking for 512M of memory:
Initializing buffer pool, size = 512.0M
A few lines down, the error message tells you MySQL will not start because it cannot reserve enough (512M) memory for the ...
Why do you not use C for your web apps?
...s having a look at a few different web servers this morning when I came across G-WAN . As I understand, its a web server written in C and you have to make use of it by writing your websites/webapps in C. One clear benefit is speed as the G-WAN site suggests.
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How to copy an object in Objective-C
...t by bit - we want an object that behaves the same for all intents and purposes, but isn't (necessarily) a memory-identical clone of the original - the Objective C manual calls such an object "functionally independent" from it's original. Because the mechanisms for making these "intelligent" copies ...
What is the memory consumption of an object in Java?
...ecide up front which one to call.
Then of course the hardware and OS have multilayer caches, on chip-cache, SRAM cache, DRAM cache, ordinary RAM working set and backing store on disk. Your data may be duplicated at every cache level. All this complexity means you can only very roughly predi...
Why is the JVM stack-based and the Dalvik VM register-based?
...people are installing Android on their laptops since it's a "light-weight" os... That seems like a bad idea if the laptop is not ARM, and perhaps has an architecture with many registers?
– aioobe
Apr 27 '10 at 7:55
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How do I disable the security certificate check in Python requests
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# Verification happens only once per connection so we need to close
# all the opened adapters once we're done. Otherwise, the effects of
# verify=False persist beyond the end of this context manager.
opened_adapters.add(self.get_adapter(url))
settings = ol...
Android encryption / decryption using AES [closed]
... return decrypted;
}
And invoke them like this:
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.PNG, 100, baos); // bm is the bitmap object
byte[] b = baos.toByteArray();
byte[] keyStart = "this is a key".getBytes();
KeyGenerator kgen = KeyGener...
vector::at vs. vector::operator[]
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Yeah, most STL implementations these days support a debug mode which bounds-checks even operator[], e.g. gcc.gnu.org/onlinedocs/libstdc++/manual/… so if your platform supports this, you're probably best off going with it!
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How to prevent ajax requests to follow redirects using jQuery
... not a part of XMLHttpRequest. It's the part of HTTP client configuration (OS configuration) or the web browser configuration. So jQuery.ajax can't have any option where you can prevent redirection.
You can see that HTTP redirection is the part of HTTP protocol and not a part of XMLHttpRequest. So ...