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I like to start longer README.md files with an "Index" listing. I put this at the end of each section in case readers wanna pop back up to the index <p align="right">[Index](#index)</p> Works great :)
– Mr. Kennedy
Apr 12 ...
mysql - how many columns is too many?
...oning. Here are a few:
If you have tables with many rows, modifying the indexes can take a very long time, as MySQL needs to rebuild all of the indexes in the table. Having the indexes split over several table could make that faster.
Depending on your queries and column types, MySQL could be wri...
Modify tick label text
...e axis. Notice that pos takes values starting in 1, not in 0 as usual when indexing.
In my case, I was trying to format the y-axis of a histogram with percentage values. mticker has another class named PercentFormatter that can do this easily without the need to define a separate function as befo...
Natural Sort Order in C#
...ing:
Func<string, string> expand = (s) => { int o; while ((o = s.IndexOf('\\')) != -1) { int p = o + 1;
int z = 1; while (s[p] == '0') { z++; p++; } int c = Int32.Parse(s.Substring(p, z));
s = s.Substring(0, o) + new string(s[o - 1], c) + s.Substring(p + z); } return s; };
string e...
How to get the current loop index when using Iterator?
...or to iterate through a collection
and I want to get the current element's index.
12 Answers
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How to check if there's nothing to be committed in the current branch?
...) {
git rev-parse --verify HEAD >/dev/null || exit 1
git update-index -q --ignore-submodules --refresh
err=0
if ! git diff-files --quiet --ignore-submodules
then
echo >&2 "Cannot $1: You have unstaged changes."
err=1
fi
if ! git diff-index --ca...
How can prepared statements protect from SQL injection attacks?
... the query and the data are sent to the database server separately.
That's all.
The root of the SQL injection problem is in the mixing of the code and the data.
In fact, our SQL query is a legitimate program.
And we are creating such a program dynamically, adding some data on the fly. Thus, th...
How to check which locks are held on a table
...partition id],
P.rows AS [partition/page rows],
AU.type_desc AS [index descr],
AU.container_id AS [index/page container_id]
FROM sys.dm_tran_locks AS TL
INNER JOIN sys.dm_os_waiting_tasks AS WT
ON TL.lock_owner_address = WT.resource_address
LEFT OUTER JOIN sys.objects AS O
ON O.ob...
What is the Java ?: operator called and what does it do?
... it is a shorthand form of
int count;
if (isHere)
count = getHereCount(index);
else
count = getAwayCount(index);
It's called the conditional operator. Many people (erroneously) call it the ternary operator, because it's the only ternary (three-argument) operator in Java, C, C++, and probabl...
Set element focus in angular way
...how I could conditionally set a focus function for <input> based on $index for example?
– Garret Wilson
Jan 26 '18 at 22:08
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