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What is causing “Unable to allocate memory for pool” in PHP?
... 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 more efficient to keep opcode in ram rather than having...
Backbone.js: get current route
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If you have instantiated a Router in your application, the following line returns the current fragment:
Backbone.history.getFragment();
From the Backbone.js documentation:
"
[...]
History serves as a global router (per fr...
How can a LEFT OUTER JOIN return more records than exist in the left table?
...t when I LEFT OUTER JOIN it to an additional table the record count is significantly larger.
11 Answers
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Call static method with reflection
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You may want to add BindingFlags.FlattenHierarchy if the method resides in an ancestor class.
– J. Ouwehand
Jun 8 '19 at 14:51
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How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
...k throughput / bandwidth graphs for the current network utilisation on specific interfaces, such as eth0. How can I return that information at the command line on Linux/UNIX?
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ZeroMQ的学习和研究（PHP代码实例） - C/C++ - 清泛网 - 专注C/C++及内核技术
...t for start of batch
$string = $receiver->recv ();
// Start our clock now
$tstart = microtime(true);
// Process 100 confirmations
$total_msec = 0; // Total calculated cost in msecs
for ($task_nbr = 0; $task_nbr < 100; $task_nbr++) {
$string = $receiver->recv ();
if($task_nbr % 10 == 0)...
What is the proper way to comment functions in Python?
..."additional docstrings".
Please see PEP 258 , "Docutils Design Specification" [2] , for a detailed description of attribute and additional docstrings...
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Why does Vim save files with a ~ extension?
...automatic creation of backup files, use (in your vimrc):
set nobackup
set nowritebackup
Where nowritebackup changes the default "save" behavior of Vim, which is:
write buffer to new file
delete the original file
rename the new file
and makes Vim write the buffer to the original file (resultin...
Add params to given URL in Python
... read-only and we need to convert it to a list before we can attempt to modify its data.
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SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
...Provider
Lets assume our application uses a userId to identify each user. Now, we need to send message to a specific user. We have userId and message, but SignalR must also know the mapping between our userId and the connection.
To achieve this, first we need to create a new class which implements...