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How to prevent Node.js from exiting while waiting for a callback?
...f the code written by the module developer .
If a module is a quick port from a synchronous/blocking version, this may not happen til some part of the operation has completed and all the queues might empty before that occurs, allowing node to exit silently.
This is a sneaky bug, that is one that ...
How do I prevent node.js from crashing? try-catch doesn't work
From my experience, a php server would throw an exception to the log or to the server end, but node.js just simply crashes. Surrounding my code with a try-catch doesn't work either since everything is done asynchronously. I would like to know what does everyone else do in their production servers.
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How do you reset the stored credentials in 'git credential-osxkeychain'?
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From Terminal:
(You need to enter the following three lines)
$ git credential-osxkeychain erase ⏎
host=github.com ⏎
protocol=https ⏎
⏎
⏎
NOTE: after you enter “protocol=https” above you need to press ~~...
How to get C# Enum description from value? [duplicate]
...all
Has a bunch of other methods, including the ability to parse the value from the description
I realise the core answer was just the cast from an int to MyEnum, but if you're doing a lot of enum work it's worth thinking about using Unconstrained Melody :)
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Loop through all nested dictionary values?
...(thus no longer a tree). For instance, here key2.2 holds to the dictionary from key1, key2.3 points to the entire dictionary(back edge/cycle). When there is a back edge(cycle), the stack/recursion will run infinitely.
root<-------back edge
/ ...
Warning: push.default is unset; its implicit value is changing in Git 2.0
...push will push only the current branch to the one that git pull would pull from, and also checks that their names match. This is a more intuitive behavior, which is why the default is getting changed to this.
This setting only affects the behavior of your local client, and can be overridden by exp...
MySQL root access from all hosts
...ttached to you OS, yo must especify one of this network in the bind-addres from my.conf file.
an example:
[mysqld]
bind-address = 127.100.10.234
this ip is from a ethX configuration.
share
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imp...
Why was “Avoid Enums Where You Only Need Ints” removed from Android's performance tips?
The section "Avoid Enums Where You Only Need Ints" was removed from the official developer documentation . (See Why doesn't Android use more enums? for the old section content)
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Is an array name a pointer?
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Also, apart from sizeof(), the other context in which there's no array->pointer decay is operator & - in your example above, &a will be a pointer to an array of 7 int, not a pointer to a single int; that is, its type will be i...
Extracting just Month and Year separately from Pandas Datetime column
...wer is clearly.. df['mnth_yr'] = df.date_column.dt.to_period('M') as below from @jaknap32
– ihightower
Jun 23 '17 at 6:16
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