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Search for all occurrences of a string in a mysql database [duplicate]
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A simple solution would be doing something like this:
mysqldump -u myuser --no-create-info --extended-insert=FALSE databasename | grep -i "<search string>"
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improv...
document.getElementById vs jQuery $()
...erence in speed. Attach the following snipet to an onclick call:
function myfunc()
{
var timer = new Date();
for(var i = 0; i < 10000; i++)
{
//document.getElementById('myID');
$('#myID')[0];
}
console.log('timer: ' + (new Date()...
Recursive search and replace in text files on Mac and Linux
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My "this" in this substitution contains a forward slash (localhost/site) -- I am substituting parts of a URL in an .html file....how do I make such a substitution. I tried putting in double-quotes, but it fails.
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Changing specific text's color using NSMutableAttributedString in Swift
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Nice solution. You have saved my day.
– Sagar Chauhan
Oct 18 '19 at 12:43
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Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
...chema into ROM (it happens), then an * is perfectly acceptable.
However, my general guideline is that you should only select the columns you need, which means that sometimes it will look like you are asking for all of them, but DBAs and schema evolution mean that some new columns might appear that...
Default profile in Spring 3.1
In my application I have beans annotated with @Profile("prod") and @Profile("demo") .
The first one, as you can guess :), is used on beans that connect to production DB and second one annotates beans that use some fake DB ( HashMap or whatever)- to make development faster.
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c++11 Return value optimization or move? [duplicate]
...; the latter is an optimisation that takes advantage of this rule. Indeed, my entire point was that even if return value optimisation isn't used, you still get to use move semantics, which is part of the same set of language rules.
– Kerrek SB
Apr 21 at 11:33
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Checking to see if a DateTime variable has had a value assigned
...assigned the default value. Let me explain: actually the second snippet in my answer is wrong, it won't compile, because, if you consider that this is the body of a function, then datetime is unassigned, and the compiler will refuse to use it. So you will have to assign it a value. It can be default...
How do I get the first element from an IEnumerable in .net?
...(this example assumes enumerable is an IEnumerable<Elem>):
Elem e = myDefault;
using (IEnumerator<Elem> enumer = enumerable.GetEnumerator()) {
if (enumer.MoveNext()) e = enumer.Current;
}
Joel Coehoorn mentioned .Single() in the comments; this will also work, if you are expecting ...
How to join multiple lines of file names into one with custom delimiter?
... Note paste gets - (standard input) as default, at least on my paste (GNU coreutils) 8.22.
– fedorqui 'SO stop harming'
Jul 29 '15 at 13:19
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