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Check whether variable is number or string in JavaScript
...ject.prototype.toString;
_.isString = function (obj) {
return toString.call(obj) == '[object String]';
}
This returns a boolean true for the following:
_.isString("Jonathan"); // true
_.isString(new String("Jonathan")); // true
...
How to hide first section header in UITableView (grouped style)
...
Actually, a better implementation (less likely to break in the future) is to use CGFLOAT_MIN instead of a hard-coded value. In other words, don't return 1.0f or 0.1f instead, return CGFLOAT_MIN If Apple ever changes the minimum a...
WaitAll vs WhenAll
...lready. I guess I could give an analogy - it's like the difference between ordering a takeaway and then standing by the door waiting for it to arrive, vs ordering a takeaway, doing other stuff and then opening the door when the courier arrives...
– Jon Skeet
De...
Delete newline in Vim
...ed generally to strip newline characters and to concatenate lines.
But in order to get rid of the trailing newline character in the last line, you need to do this in Vim:
:set noendofline binary
:w
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Regex: ignore case sensitivity
...ow can I make the following regex ignore case sensitivity? It should match all the correct characters but ignore whether they are lower or uppercase.
...
How to check if a table exists in a given schema
... (like OIDs) gets lost in translation from the system catalogs - which actually carry all information.
System catalogs
Your question was:
How to check whether a table exists?
SELECT EXISTS (
SELECT FROM pg_catalog.pg_class c
JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
WHE...
Best way to list files in Java, sorted by Date Modified?
...les() and the documentation states that this makes no guarantees about the order of the files returned. Therefore you need to write a Comparator that uses File.lastModified() and pass this, along with the array of files, to Arrays.sort().
...
I ran into a merge conflict. How can I abort the merge?
...ote_branch
But this has since been removed, as explained in this message by Junio Hamano (the Git maintainer). As noted in the link, instead you would do this:
git fetch origin
git reset --hard origin
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stdlib and colored output in C
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Is it possible to set private property via reflection?
...lic, you apparently don't need to use BindingFlags.NonPublic to find it. Calling SetValue despite the the setter having less accessibility still does what you expect.
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