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From io.Reader to string in Go
.... Example:
buf := new(strings.Builder)
n, err := io.Copy(buf, r)
// check errors
fmt.Println(buf.String())
OUTDATED INFORMATION BELOW
The short answer is that it it will not be efficient because converting to a string requires doing a complete copy of the byte array. Here is the proper (non-ef...
What is the difference between atomic / volatile / synchronized?
...ame time.
Using volatile variables reduces the risk of memory consistency errors, because any write to a volatile variable establishes a happens-before relationship with subsequent reads of that same variable.
This means that changes to a volatile variable are always visible to other threads. Wha...
Git pull a certain branch from GitHub
...
But I get an error "! [rejected]" and something about "non fast forward"
That's because Git can't merge the changes from the branches into your current master. Let's say you've checked out branch master, and you want to merge in the rem...
Reject binary with state waiting for review (can't find reject binary button)
...
I set 2.0 both time. But got error saying redundant binary..finaly set version number to 2.1. and binary approved.
– Guru
Sep 14 '14 at 5:44
...
Android get free size of internal/external memory
...rmatSize(availableBlocks * blockSize);
} else {
return ERROR;
}
}
public static String getTotalExternalMemorySize() {
if (externalMemoryAvailable()) {
File path = Environment.getExternalStorageDirectory();
StatFs stat = new StatFs(...
Check if a variable is of function type
...rence (open your javascript console and reload page, there might be logged error messages). Note: Revision 3 added isFunctionD (based on only typeof == "function") - and it seems to be much faster than Underscore's "fast" version.
– Joel Purra
Feb 2 '12 at 18:3...
What is an uninterruptible process?
...it EINTR instead of EAGAIN? Also read() returns -1 and errno is set to the error.
– lethalman
Mar 25 '15 at 9:36
...
How to upload a file in Django? [closed]
...a">
{% csrf_token %}
<p>{{ form.non_field_errors }}</p>
<p>{{ form.docfile.label_tag }} {{ form.docfile.help_text }}</p>
<p>
{{ form.docfile.errors }}
{{ form.docfile }}
</...
How to compile for Windows on Linux with gcc/g++?
...
cool, the cpp had very simple errors (void main(){} etc...), I guess it compiles at windows but fails at mingw, I fixed them. I tried also i586-mingw32msvc-cpp and it generated a text file with something like things to be compiled lol.. the g++ one worke...
How do I update pip itself from inside my virtual environment?
...
Running this shown me a lot of stuff including Download error on https://pypi.python.org/simple/pip/: [SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version (_ssl.c:590) -- Some packages may not be found! which wasn't displayed when running --upgrade. And it's likely the...