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Do sealed classes really offer performance Benefits?
... Release build configuration) emits identical MSIL, which is as follows:
L_0000: newobj instance void <NormalClass or SealedClass>::.ctor()
L_0005: stloc.0
L_0006: ldloc.0
L_0007: ldstr "a string"
L_000c: callvirt instance void <NormalClass or SealedClass>::WriteIt(string)
L_0011: ret...
How to make MySQL handle UTF-8 properly
... answer - You should almost always be using the utf8mb4 charset and utf8mb4_unicode_ci collation.
To alter database:
ALTER DATABASE dbname CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
See:
Aaron's comment on this answer How to make MySQL handle UTF-8 properly
What's the difference betwee...
Making a request to a RESTful API using python
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Using requests:
import requests
url = 'http://ES_search_demo.com/document/record/_search?pretty=true'
data = '''{
"query": {
"bool": {
"must": [
{
"text": {
"record.document": "SOME_JOURNAL"
}
},
{
...
Add a property to a JavaScript object using a variable as the name?
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With lodash, you can create new object like this _.set:
obj = _.set({}, key, val);
Or you can set to existing object like this:
var existingObj = { a: 1 };
_.set(existingObj, 'a', 5); // existingObj will be: { a: 5 }
You should take care if you want to use dot (".") i...
Programmatically change the src of an img tag
...puts.length; i++) {
inputs[i].disabled = false;
}
var edit_save = document.getElementById("edit-save");
edit_save.src = "../template/save.png";
}
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Understanding generators in Python
... <=2.6: in the above examples next is a function which calls the method __next__ on the given object. In Python <=2.6 one uses a slightly different technique, namely o.next() instead of next(o). Python 2.7 has next() call .next so you need not use the following in 2.7:
>>> g = (n for...
How to copy from CSV file to PostgreSQL table with headers in CSV file?
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This worked. The first row had column names in it.
COPY wheat FROM 'wheat_crop_data.csv' DELIMITER ';' CSV HEADER
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Cartesian product of multiple arrays in JavaScript
...tps://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Functions/rest_parameters
https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Operators/Spread_operator
The new methods from the Update 2020 example was added in ES2019:
http://www.ecma-international.org/ecma-262/10.0/
https:/...
Storing integer values as constants in Enum manner in java [duplicate]
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Well, you can't quite do it that way. PAGE.SIGN_CREATE will never return 1; it will return PAGE.SIGN_CREATE. That's the point of enumerated types.
However, if you're willing to add a few keystrokes, you can add fields to your enums, like this:
public enum PAGE{
...
Display block without 100% width
...er. inline-block et al was breaking my layout.
– i336_
Sep 28 '19 at 2:32
1
@i336_ As of today it...