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Should a “static final Logger” be declared in UPPER-CASE?
...ng square bracket).
Examples:
MIN_VALUE, MAX_BUFFER_SIZE, OPTIONS_FILE_NAME
Following this convention, logger is a static final object reference as stated in point 2, but because it is followed by "." everytime you use it, it can not be considered as a constant and thus should be lower c...
Counting the Number of keywords in a dictionary in python
...eys())
or just
len(yourdict)
If you like to count unique words in the file, you could just use set and do like
len(set(open(yourdictfile).read().split()))
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How can Bash execute a command in a different directory context?
...rectory is very important for running it correctly. The script affects the files that live inside the directory it is run within.
...
Setting different color for each series in scatter plot on matplotlib
...draw.
the command pyplot.scatter return a PatchCollection Object, in the file "matplotlib/collections.py" a private variable _facecolors in Collection class and a method set_facecolors.
so whenever you have a scatter points to draw you can do this:
# rgbaArr is a N*4 array of float numbers you ...
What does `node --harmony` do?
...harmony enables new ECMAScript 6 features in the language. The reason your file won't run without harmony is because app.js is probably using non-backward compatible features from the new ECMAScript 6 standard (like block scoping, proxies, sets, maps, etc.)
...
Static way to get 'Context' in Android?
...
Do this:
In the Android Manifest file, declare the following.
<application android:name="com.xyz.MyApplication">
</application>
Then write the class:
public class MyApplication extends Application {
private static Context context;
...
What is the IntelliJ shortcut key to create a javadoc comment?
...
Do I have to select something? Even if I select the whole file content or select nothing, nothing happens if I run this action. May I am missing something
– Honsa Stunna
Jun 18 '19 at 11:46
...
MySQL maximum memory usage
...art.
Suggested configurations
About these my-large.cnf and my-medium.cnf files -- I don't even know who those were written for. Roll your own.
Tuning primer
A great start is the tuning primer. It's a bash script (hint: you'll need linux) which takes the output of SHOW VARIABLES and SHOW STATUS a...
What characters do I need to escape in XML documents?
...hing for a comment (would you escape an & in a commented line of a XML file? You don't need to, and your XML is still valid if you don't). This is clearly specified in the official recommendations for XML by W3C.
– Albz
Oct 1 '13 at 7:21
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how can I see what ports mongo is listening on from mongo shell?
...e arguments passed on the command line (argv) and the ones from the config file (parsed) and you can infer the ports mongod is listening based on that information. Here's an example:
db.serverCmdLineOpts()
{
"argv" : [
"./mongod",
"-replSet",
"test",
"--rest",
...