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Express.js - app.listen vs server.listen
...') on the third line necessary in your rewrite?
– davidx1
Oct 14 '16 at 6:07
1
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Git merge without auto commit
...ge commit because there isn't actually a merge at all. This is in fact the ideal situation: fast-forwards are a Good Thing, and not having this extra "merge commit" Makes Sense. This is good default behavior and shouldn't be disabled. (In proper parlance, a fast-forward is a type of merge, but it i...
while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
...loops in perl: while (1) Vs. for (;;) Is there a speed difference? , I decided to run a similar comparison in python. I expected that the compiler would generate the same byte code for while(True): pass and while(1): pass , but this is actually not the case in python2.7.
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How can I programmatically get the MAC address of an iphone
...s MAC: %s IP: %s\n", if_names[i], hw_addrs[i], ip_names[i]);
//decided what adapter you want details for
if (strncmp(if_names[i], "en", 2) == 0)
{
NSLog(@"Adapter en has a IP of %s", ip_names[i]);
}
}
Adapter names vary depending on the simulator/device as well as wifi...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
...ost ("count=" + $count)
# or
write-host "count=$count"
BTW - Watch this video of Jeffrey Snover explaining how the pipeline works. Back when I started learning PowerShell I found this to be the most useful explanation of how the pipeline works.
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Curly braces in string in PHP
... syntax. Simply write the
expression the same way as it would appear outside the string, and
then wrap it in { and }. Since { can not be escaped, this syntax
will only be recognised when the $ immediately follows the {. Use
{\$ to get a literal {$. Some examples to make it clear:
<?php
/...
Set value to null in WPF binding
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Linux, Why can't I write even though I have group permissions?
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Did you logout and log back in after making the group changes? See:
Super User answer involving touch permissions failure
share
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what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
...gument to hadoop fs commands (e.g. hdoop fs -ls file:///). If nothing is said, it defaults to hdfs schema, AFAIK (hdoop fs -ls / == hadoop fs -ls hdfs:///).
– frb
Mar 9 '15 at 12:04
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Java resource as file
...
I agree it's annoying - but it makes ClassLoader more widely applicable in other ways. For instance, it's easy to write a "web classloader" because the web is good for fetching files, but it doesn't typically list files.
– Jon Skeet
Mar 24 '...