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CSS: Set a background color which is 50% of the width of the window
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Thanks, it helped me to achieve this effect on a table: jsfiddle.net/c9kp2pde
– user2015707
Apr 22 '15 at 15:54
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How can I wait for set of asynchronous callback functions?
...ng a promise polyfill), then you can use ES6-specified promises. See this table for browser support. Promises are supported in pretty much all current browsers, except IE.
If doAjax() returns a promise, then you can do this:
var promises = [];
for (var i = 0; i < 10; i++) {
promises.push(...
Use jQuery to change an HTML tag?
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Once a dom element is created, the tag is immutable, I believe. You'd have to do something like this:
$(this).replaceWith($('<h5>' + this.innerHTML + '</h5>'));
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mongodb: insert if not exists
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You may use Upsert with $setOnInsert operator.
db.Table.update({noExist: true}, {"$setOnInsert": {xxxYourDocumentxxx}}, {upsert: true})
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Is it possible to send a variable number of arguments to a JavaScript function?
...%s dog.', ...arr); is not yet supported. You can find an ES6 compatibility table here.
Note also the use of for...of, another ES6 addition. Using for...in for arrays is a bad idea.
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Initialize class fields in constructor or at declaration?
...l/et al
I always think of the field listing at the top of a class as the table of contents (what is contained herein, not how it is used), and the constructor as the introduction. Methods of course are chapters.
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JPA and Hibernate - Criteria vs. JPQL or HQL
...ytime you fire a query using criteriaQuery, it creates a new alias for the table name which does not reflect in the last queried cache for any DB. This leads to an overhead of compiling the generated SQL, taking more time to execute.
Regarding fetching strategies [http://www.hibernate.org/315.html]...
How to check if a string is a valid hex color representation?
..., you can prefix number literals to get a number in other radii.
Here's a table for clarification:
╭─────────────┬────────────┬────────┬───────────────────╮
│ Radix │ Charact...
JavaScript: empty array, [ ] evaluates to true in conditional structures. Why is this?
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there is a handful table showing unexpected situations using == comparator in the link you posted. I commented just to be careful when expecting true or false evaluation.
– m.rufca
Apr 24 '18 at 21:10
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Is it good practice to use java.lang.String.intern()?
...5x less memory than rolling your own object pool
Be sure to tune -XX:StringTableSize (the default is probably too small; set a Prime number)
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