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Sending files using POST with HttpURLConnection
...example on how to send a bitmap "file" (actually an in-memory stream) via POST to an Apache HTTP server. I'm not interested in cookies or authentication or anything complicated, but I just want to have a reliable and logic implementation. All the examples that I've seen around here look more like "l...
What does CultureInfo.InvariantCulture mean?
...nstalledUICulture so the default CultureInfo is depending on the executing OS's settings. This is why you should always make sure the culture info fits your intention (see Martin's answer for a good guideline).
CultureInfo.InvariantCulture Example
CultureInfo.InvariantCulture on StackOverflow
Cult...
开源MQTT网关：EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区，为创新赋能！
...13 年被 Eclipse 基金会接收。
性能与可扩展性Mosquitto 作为一个轻量级 MQTT 消息中间件有着比较优秀的单节点性能，单机可以支撑 10w 级别的设备并发连接。但不支持集群架构。EMQX 作为可集群部署的大规模消息服务器，单节点可...
What does Docker add to lxc-tools (the userspace LXC tools)?
If you take a look at Docker's features, most of them are already provided by LXC.
5 Answers
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How do I split a string on a delimiter in Bash?
...S on the same line as the read with no semicolon or other separator, as opposed to in a separate command, scopes it to that command -- so it's always "restored"; you don't need to do anything manually.
– Charles Duffy
Jul 6 '13 at 14:39
...
Evaluating a mathematical expression in a string
...ily in other places.
'''
class NumericStringParser(object):
'''
Most of this code comes from the fourFn.py pyparsing example
'''
def pushFirst(self, strg, loc, toks):
self.exprStack.append(toks[0])
def pushUMinus(self, strg, loc, toks):
if toks and toks[0] ==...
MPICH vs OpenMPI
...
Purpose
First, it is important to recognize how MPICH and Open-MPI are different, i.e. that they are designed to meet different needs. MPICH is supposed to be high-quality reference implementation of the latest MPI standard and...
Why does changing 0.1f to 0 slow down performance by 10x?
... (or subnormal) numbers are kind of a hack to get some extra values very close to zero out of the floating point representation. Operations on denormalized floating-point can be tens to hundreds of times slower than on normalized floating-point. This is because many processors can't handle them dire...
Android: install .apk programmatically [duplicate]
... outputFile.delete();
}
FileOutputStream fos = new FileOutputStream(outputFile);
InputStream is = c.getInputStream();
byte[] buffer = new byte[1024];
int len1 = 0;
while ((len1 = is.read(buffer)) != -1) {
...
Why em instead of px?
...tter choice than the other (or both wouldn't have been given their own purpose in the spec). It may even be worth noting that StackOverflow makes extensive use of px units. It is not the poor choice Spoike was told it was.
Definition of units
px is an absolute unit of measurement (like in, pt, ...