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Can a shell script set environment variables of the calling shell? [duplicate]
...xample: on my ArchLinux system I run tcsh and SHELL is set to /bin/tcsh. Starting a bash and echoing SHELL still gives /bin/tcsh and ditto invoking bash as sh. SHELL only works in shells that bother to set it or on systems with rc files that set it, and not all do.
– Thomas ...
Customizing Bootstrap CSS template
I am just getting started with Bootstrap from Twitter and am wondering what the ‘best practices’ is for customization. I want to develop a system that will take advantage of all the power of a css template (Bootstrap or other), be completely (and easily) modifiable, be sustainable (ie – when t...
What is an initialization block?
...something causes the class to get unloaded (only thing I can think of is restarting the program, but if there are other things that can cause that, I'd like to know).
– Glen Pierce
Apr 20 '17 at 1:24
...
Why was the switch statement designed to need a break?
...oot, this is a reminescence from an area where bytes had been expensive (C started back before 1970). if your code needs to fit within 1024 bytes, you will experience heavy preasure to reuse code fragments. Reusing code by starting at different entrypoints sharing the same end is one mechanism for a...
Using Git with Visual Studio [closed]
...
Don't you guys ever move or rename files/directories? I started using VisualSVN a couple of months ago and I could never go back.
– JohnOpincar
Apr 5 '09 at 1:20
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Transform DateTime into simple Date in Ruby on Rails
...of the minute (00..60)
%U - Week number of the current year,
starting with the first Sunday as the first
day of the first week (00..53)
%W - Week number of the current year,
starting with the first Monday as the first
day of the first week (00..53)
%...
Proper use of 'yield return'
.../ completed the consumable list
Consume consumable[0] // start consuming
Consume consumable[1]
Consume consumable[2]
Consume consumable[3]
Using yield, it becomes rearranged, sort of interleaved:
//pseudo-assembly
Produce consumable[0]
Consume consumable[0] // im...
Method to Add new or update existing item in Dictionary
...ns are equivalent.
Regarding Dictionary<> vs. Hashtable: When you start Reflector, you see that the indexer setters of both classes call this.Insert(key, value, add: false); and the add parameter is responsible for throwing an exception, when inserting a duplicate key. So the behavior is th...
How do I connect to a MySQL Database in Python?
...s a very basic example. You will have to look at the documentation. A good starting point.
3 - More advanced usage
Once you know how it works, You may want to use an ORM to avoid writing SQL manually and manipulate your tables as they were Python objects. The most famous ORM in the Python communit...
How do I use JDK 7 on Mac OSX?
...lease has a few limitations, most notably the lack of support for Java Web Start and the Java Plugin for web browsers. That support is expected later this year.
After installing, read the JDK for Mac ReadMe. Most importantly, if you want Java 7 to be the default, drag it to the top of the list in t...