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Tree data structure in C#
...e so many ways you could implement it that it would be impossible to cover all bases with one solution. The more specific a solution, the less likely it is applicable to any given problem. I even get annoyed with LinkedList - what if I want a circular linked list?
The basic structure you'll need ...
How to use SQL Order By statement to sort results case insensitive?
...
This usually won't work out of the box, if the database uses UTF8. (Notice that the title doesn't refer to just SQLite.) In this case, the suggestion to use lower() or upper() below is the one that works.
– marc...
How can I manipulate the strip text of facet_grid plots?
...ts. My question
is similar to a question on plot titles , but I'm specifically concerned with
manipulating not the plot title but the text that appears in facet titles (strip_h).
...
How to change the decimal separator of DecimalFormat from comma to dot/point?
...
Side note: NumberFormat.getNumberInstance() can run unusually slowly on some Android 7 devices. An alternative is String.format() which runs quickly. See stackoverflow.com/questions/2379221/java-currency-number-format
– Mr-IDE
Oct 16 '17 at 5:...
Mongoose's find method with $or condition does not work properly
...everyone to use Mongoose's query builder language and promises instead of callbacks:
User.find().or([{ name: param }, { nickname: param }])
.then(users => { /*logic here*/ })
.catch(error => { /*error logic here*/ })
Read more about Mongoose Queries.
...
PHP: How to remove all non printable characters in a string?
...to remove other chars...
If you're dealing with Unicode, there are potentially many non-printing elements, but let's consider a simple one: NO-BREAK SPACE (U+00A0)
In a UTF-8 string, this would be encoded as 0xC2A0. You could look for and remove that specific sequence, but with the /u modifier in ...
Error while installing json gem 'mkmf.rb can't find header files for ruby'
...ksei Matiushkin
105k99 gold badges7575 silver badges118118 bronze badges
2
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Best way to check if a Data Table has a null value in it
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I usually create an "Extensions" folder in some common library or in my DAL. Create a file called "DataTableExtensions.cs" and add that method. Next you would just add "using Name.Space.Extensions" to your cs files and have access...
Using HeapDumpOnOutOfMemoryError parameter for heap dump for JBoss
...mentation has to say:
By default the heap dump is created in
a file called java_pid.hprof in the
working directory of the VM, as in the
example above. You can specify an
alternative file name or directory
with the -XX:HeapDumpPath= option. For
example -XX:HeapDumpPath=/disk2/dumps
...
Send message to specific client with socket.io and node.js
..."I'm the master", function() {
// Save the socket id to Redis so that all processes can access it.
client.set("mastersocket", socket.id, function(err) {
if (err) throw err;
console.log("Master socket is now" + socket.id);
});
});
socket.on("message to master", function(...