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Bash Templating: How to build configuration files from templates with Bash?
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You can use this:
perl -p -i -e 's/\$\{([^}]+)\}/defined $ENV{$1} ? $ENV{$1} : $&/eg' <...
Set font-weight using Bootstrap classes
...Title fields in order to emphasize them when necessary. Tested in Windows x64 in Chrome ver76 and IE11.
– timmi4sa
Sep 8 '19 at 19:36
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How does free know how much to free?
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When you call malloc(), you specify the amount of memory to allocate. The amount of memory actu...
Simplest code for array intersection in javascript
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If your environment supports ECMAScript 6 Set, one simple and supposedly efficient (see specifi...
Render HTML to an image
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@Subho it's a String containing the URL with base64-encoded data
– tsayen
Feb 14 '17 at 16:00
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Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array
...is for similar type of case.
Reference: https://stackoverflow.com/a/57532964/8119511
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What uses are there for “placement new”?
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We use it with custom memory pools. Just a sketch:
class Pool {
public:
Pool() { /* implem...
How to flush output of print function?
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With Python 3.x the print() function has been extended:
print(*objects, sep=' ', end='\n', fil...
add column to mysql table if it does not exist
... for 1060 begin end;
alter table atable add subscriber_surname varchar(64);
end;;
call foo();;
I think its neater this way than with an exists subquery. Especially if you have a lot of columns to add, and you want to run the script several times.
more info on continue handlers can be found at...
Installing multiple instances of the same windows service on a server
...Gustav Bertram
12.9k33 gold badges3737 silver badges6464 bronze badges
answered Aug 14 '09 at 18:38
jamesaharveyjamesaharvey
13.1k...