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What is causing “Unable to allocate memory for pool” in PHP?
...allowing only 32MB is ridiculously low. PHP was designed when servers were 64MB and most scripts were using one php file per page. Nowadays solutions like Magento require more than 10k files (~60Mb in APC). You should allow enough memory so most of php files are always cached. It's not a waste, it's...
What is an application binary interface (ABI)?
...ses 32-bit integers to indicate the offset of a function and you switch to 64-bit integers, then already-compiled code that uses that library will not be accessing that field (or any following it) correctly. Accessing data structure members gets converted into memory addresses and offsets during co...
hash function for string
... collisions for this 466k english dictionary while MurmurHash has none for 64 bit hashes, and 21 for 32 bit hashes (around 25 is to be expected for 466k random 32 bit hashes).
My recommendation is using MurmurHash if available, it is very fast, because it takes in several bytes at a time. But if you...
How to get HTTP Response Code using Selenium WebDriver
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Mathieu VIALES
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answered Jun 28 '11 at 20:38
JimEvansJimEvans
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Convert to binary and keep leading zeros in Python
...mat(bin(num)[2:])
Demo:
print binary(1)
Output:
'0b00000001'
EDIT:
based on @Martijn Pieters idea
def binary(num, length=8):
return format(num, '#0{}b'.format(length + 2))
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impr...
How to simulate target=“_blank” in JavaScript
...fit your exact use-case, but here's how I scratched my own itch.
Here's a demo of it in action for you to mess with.
(The link in jsfiddle comes back to this discussion .. no need a new tab :))
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Key hash for Android-Facebook app
...tore" | "C:\OpenSSL\bin\openssl" sha1 -binary
|"C:\OpenSSL\bin\openssl" base64
it will ask for password, put android
that's all. u will get a key-hash
For more info visit here
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impro...
minimum double value in C/C++
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Meaningful for all specializations in which is_bounded != false.
Online demo
Lots of non portable C++ answers here !
There are many answers going for -std::numeric_limits<double>::max().
Fortunately, they will work well in most of the cases. Floating point encoding schemes decompose a num...
Simple way to transpose columns and rows in SQL?
...phasized that I want a method to transpose the results of a query on a database. A simple transpose type command that can be executed on the result set from a query without having to know anything about the query itself, or the columns, tables etc it is extracting info from. Something like: (TRANS...
Finding the Eclipse Version Number
...t will print out the full version of currently running Eclipse (or any RCP-based application).
String product = System.getProperty("eclipse.product");
IExtensionRegistry registry = Platform.getExtensionRegistry();
IExtensionPoint point = registry.getExtensionPoint("org.eclipse.core.runtime.products...