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How do you use script variables in psql?
...ient:
... If you want to use the variable as the value in a conditional string query, such as ...
SELECT * FROM table1 WHERE column1 = ':myvariable';
... then you need to include the quotes in the variable itself as the above will not work. Instead define your variable as such ...
\set myvar...
Add a CSS border on hover without moving the element [duplicate]
...order-top: 1px solid #d0d0d0;
}
If your elements have a specified height and/or width, you can also use box-sizing:border-box;, as this box model includes padding and border widths into the computed size, example:
.jobs .item {
background: #eee;
height: 40px;
box-sizing: border-box;
}...
android on Text Change Listener
...
check String before set anothe
Long vs Integer, long vs int, what to use and when?
... you to do some complex operations with integers (such as Integer.parseInt(String) )
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How can I update window.location.hash without jumping the document?
...observed by Gavin Brock, to capture the id back you will have to treat the string (which in this case can have or not the "!") as follows:
id = window.location.hash.replace(/^#!?/, '');
Before that, I tried a solution similar to the one proposed by user706270, but it did not work well with Intern...
ld cannot find an existing library
...ic.so → …).
Because the library's soname is libmagic.so.1, that's the string that gets embedded into the executable so that's the file that is loaded when the executable is run.
However, because the library is specified as -lmagic to the linker, it looks for libmagic.so, which is why it is nee...
Identifying and removing null characters in UNIX
...hells will recognize & deal with < or > anywhere in the argument string, actually. Surprised me too.
– pra
Mar 8 '10 at 18:16
1
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What are the default access modifiers in C#?
...restricted than the declared accessibility of the property itself:
public string Name
{
get { ... }
private set { ... } // This isn't the default, have to do it explicitly
}
This is what the C# 3.0 specification has to say (section 3.5.1):
Depending on the context in which a
membe...
Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array
...can define the comparing function here.
// JS by default uses a crappy string compare.
// (we use slice to clone the array so the
// original array won't be modified)
let results = [];
for (let i = 0; i < sorted_arr.length - 1; i++) {
if (sorted_arr[i + 1] == sorted_arr[i]) {...
How do you search an amazon s3 bucket?
...solution:
Key name pattern search: Searching for keys starting with some string- if you design key names carefully, then you may have rather quick solution.
Search metadata attached to keys: when posting a file to AWS S3, you may process the content, extract some meta information and attach this m...