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How to access the correct `this` inside a callback?
...ontrived example:
var arr = [1, 2, 3];
var obj = {multiplier: 42};
var new_arr = arr.map(function(v) {
return v * this.multiplier;
}, obj); // <- here we are passing `obj` as second argument
Note: Whether or not you can pass a value for this is usually mentioned in the documentation of that...
Convert .pem to .crt and .key
... unable to load certificate 140584440387400:error:0906D06C:PEM routines:PEM_read_bio:no start line:pem_lib.c:703:Expecting: TRUSTED CERTIFICATE
– Damien Carol
May 20 '15 at 13:57
...
Doctrine - How to print out the real sql, not just the prepared statement?
...ries I use
sudo vim /etc/mysql/my.cnf
and add those 2 lines:
general_log = on
general_log_file = /tmp/mysql.log
and restart mysql
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How can I change my Cygwin home folder after installation?
...ng with Cygwin 1.7.34, the recommended way to do this is to add a custom db_home setting to /etc/nsswitch.conf. A common wish when doing this is to make your Cygwin home directory equal to your Windows user profile directory. This setting will do that:
db_home: windows
Or, equivalently:
db_home:...
Apache Spark: map vs mapPartitions?
...lize(List("dog", "salmon", "salmon", "rat", "elephant"), 3)
val b = a.map(_.length)
val c = a.zip(b)
c.collect
res0: Array[(String, Int)] = Array((dog,3), (salmon,6), (salmon,6), (rat,3), (elephant,8))
mapPartitions
This is a specialized map that is called only once for each partition.
...
How do you configure logging in Hibernate 4 to use SLF4J
...n/java/org/jboss/logging/LoggerProviders.java:
static final String LOGGING_PROVIDER_KEY = "org.jboss.logging.provider";
private static LoggerProvider findProvider() {
// Since the impl classes refer to the back-end frameworks directly, if this classloader can't find the target
// log class...
Named colors in matplotlib
...s plt
from matplotlib import colors as mcolors
colors = dict(mcolors.BASE_COLORS, **mcolors.CSS4_COLORS)
# Sort colors by hue, saturation, value and name.
by_hsv = sorted((tuple(mcolors.rgb_to_hsv(mcolors.to_rgba(color)[:3])), name)
for name, color in colors.items())
sorted_names ...
How to define object in array in Mongoose schema correctly with 2d geo index
...swered Oct 31 '13 at 14:53
niels_hniels_h
1,25122 gold badges1010 silver badges1010 bronze badges
...
windows service vs scheduled task
... TimeSpan(0,2,0));
}
Source: http://tutorials.csharp-online.net/Creating_a_.NET_Windows_Service%E2%80%94Alternative_1%3a_Use_a_Separate_Thread (Dead Link)
I've been running lots of Windows Services like this for years and it works for me. I still haven't seen a recommended pattern that people ag...
Design Patterns: Factory vs Factory method vs Abstract Factory
...ease remove or edit your answer accordingly.
– Julien__
Nov 11 '16 at 21:21
...