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Split string in Lua?
...o find the location to split the string at.
Example using string.gmatch() from Lua 5.1 Reference Manual:
t = {}
s = "from=world, to=Lua"
for k, v in string.gmatch(s, "(%w+)=(%w+)") do
t[k] = v
end
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C++ performance vs. Java/C#
...l, is quite poor when compared with the full scope of the standard library from .NET or Java), so usually, the difference between C++ and .NET or Java JIT won't be visible to most users, and for those binaries that are critical, well, you can still call C++ processing from C# or Java (even if this k...
How to find Array length inside the Handlebar templates?
...
well, you saved me from having to test it out, so thanks. :)
– Perry Tew
Jun 18 '13 at 17:32
8
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Javascript Regex: How to put a variable inside a regular expression?
...iable if there is potential for malicious content (e.g. the variable comes from user input)
ES6 Update
In 2019, this would usually be written using a template string, and the above code has been updated. The original answer was:
var regex = new RegExp("ReGeX" + testVar + "ReGeX");
...
string.repl...
How do I pause my shell script for a second before continuing?
...ython) you need to import the time module
import time
time.sleep(1)
or
from time import sleep
sleep(1)
For shell script is is just
sleep 1
Which executes the sleep command. eg. /bin/sleep
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Merging two images in C#/.NET
...n over a frame of a video:
Image playbutton;
try
{
playbutton = Image.FromFile(/*somekindofpath*/);
}
catch (Exception ex)
{
return;
}
Image frame;
try
{
frame = Image.FromFile(/*somekindofpath*/);
}
catch (Exception ex)
{
return;
}
using (frame)
{
using (var bitmap = new Bitm...
Proper SCSS Asset Structure in Rails
...is approach:
Rename all existing .css files to .scss
Remove all contents from application.scss
Start adding @import directives to application.scss.
If you are using twitters bootstrap and a few css sheets of your own, you have to import bootstrap first, because it has a sheet to reset styles.
...
How do I add comments to package.json for npm install?
...nts as in the first example { "//": "first", "//": "second"} prevents you from using npm version and other command line utils which usually reparse whole JSON and discard the duplicate keys in process.
– jakub.g
Jul 1 '14 at 11:51
...
Are Swift variables atomic?
...ly to assume as no low-level documentation is available, but you can study from assembly. Hopper Disassembler is a great tool.
@interface ObjectiveCar : NSObject
@property (nonatomic, strong) id engine;
@property (atomic, strong) id driver;
@end
Uses objc_storeStrong and objc_setProperty_atomic f...
How to split a column into two columns?
...) will remove any indexes you had, so your new Dataframe will be reindexed from 0 (It doesn't matter in your specific case).
– Crashthatch
Mar 27 '13 at 14:59
10
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