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What's the use of ob_start() in php?
...o I can break out of PHP with a lot of HTML but not render it. It saves me from storing it as a string which disables IDE color-coding.
<?php
ob_start();
?>
<div>
<span>text</span>
<a href="#">link</a>
</div>
<?php
$content = ob_get_clean();
?>...
An error occurred while installing pg (0.17.1), and Bundler cannot continue
...alled under mac OSX Mavericks, having the postgres app (Version 9.2.2.0 ) from www.postgresapp.com installed. The underlying problem was simpy that the since postgres was installed via the app, the configuration file resides on a location which is not the default one when installing it without post...
What is the best way to remove accents (normalize) in a Python unicode string?
...
@lenz, I wasn't talking about removing accents from Greek, but about the "stroke" on the ell. Since it is not a diacritic, changing it to plain ell is the same as changing Greek Alpha to A. If don't want it don't do it, but in both cases you're substituting a Latin (near)...
How to convert a dictionary to query string in Python?
...
In python3, slightly different:
from urllib.parse import urlencode
urlencode({'pram1': 'foo', 'param2': 'bar'})
output: 'pram1=foo&param2=bar'
for python2 and python3 compatibility, try this:
try:
#python2
from urllib import urlencode
except...
static allocation in java - heap, stack and permanent generation
...on schemes in java, and there have been many doubts as I have been reading from various sources. I have collected my concepts, and I would request to go through all of the points and comment on them. I came to know that memory allocation is JVM specific, so I must say beforehand, that my question is...
Java FileReader encoding issue
...ader(new FileInputStream(filePath), encoding) and ideally get the encoding from metadata about the file.
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print call stack in C or C++
...urns an array of void * (in fact each of these point to the return address from the corresponding stack frame). To translate these to something of use, there's backtrace_symbols(3).
Pay attention to the notes section in backtrace(3):
The symbol names may be unavailable
without the use of spec...
HTML5 placeholder css padding
...
I got the same issue.
I fixed it by removing line-height from my input. Check if there is some lineheight which is causing the problem
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Mapping two integers to one, in a unique and deterministic way
... two N bit integers. That is, if my inputs are two 16 bit integers ranging from 0 to 2^16 -1, then there are 2^16 * (2^16 -1) combinations of inputs possible, so by the obvious Pigeonhole Principle, we need an output of size at least 2^16 * (2^16 -1), which is equal to 2^32 - 2^16, or in other words...
How to POST raw whole JSON in the body of a Retrofit request?
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Yes I know it's late, but somebody would probably benefit from this.
Using Retrofit2:
I came across this problem last night migrating from Volley to Retrofit2 (and as OP states, this was built right into Volley with JsonObjectRequest), and although Jake's answer is the correct one f...