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What is the zero for string?
...="" {
To pass a zero string in stringID, use
k := NewKey(c, "kind", "", 0, p)
From the specification :
When memory is allocated to store a value, either through a
declaration or a call of make or new, and no explicit initialization
is provided, the memory is given a default initializati...
How to select a single field for all documents in a MongoDB collection?
In my MongoDB, I have a student collection with 10 records having fields name and roll . One record of this collection is:
...
Adding data attribute to DOM
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edited Sep 20 '17 at 6:46
ankit suthar
2,59866 gold badges2828 silver badges4646 bronze badges
...
How can I check the size of a collection within a Django template?
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MichielB
3,38011 gold badge2424 silver badges3535 bronze badges
answered May 23 '09 at 17:53
Alex MartelliAlex Mar...
Check if a string matches a regex in Bash script
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330
You can use the test construct, [[ ]], along with the regular expression match operator, =~, to ...
Easiest way to open a download window without navigating away from the page
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109
7 years have passed and
I don't know whether it works for IE6 or not, but this prompts OpenFile...
Generate random password string with requirements in javascript
...work?
Math.random() // Generate random number, eg: 0.123456
.toString(36) // Convert to base-36 : "0.4fzyo82mvyr"
.slice(-8);// Cut off last 8 characters : "yo82mvyr"
Documentation for the Number.prototype.toString and strin...
Difference between pre-increment and post-increment in a loop?
..., returns the new value.
C#:
string[] items = {"a","b","c","d"};
int i = 0;
foreach (string item in items)
{
Console.WriteLine(++i);
}
Console.WriteLine("");
i = 0;
foreach (string item in items)
{
Console.WriteLine(i++);
}
Output:
1
2
3
4
0
1
2
3
foreach and while loops depend on w...
Prevent flicker on webkit-transition of webkit-transform [duplicate]
...
answered Oct 13 '10 at 8:21
rpittingrpitting
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...
GLib compile error (ffi.h), but libffi is installed
...
270
If you have a Debian-based Linux OS with apt-get:
sudo apt-get install libffi-dev
With a Redh...