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How to safely open/close files in python 2.4
...name)
print txt.read()
txt.close()
print "Change the file name"
file_again=raw_input('>')
print "New file name %r" %(file_again)
txt_again=open(file_again)
print txt_again.read()
txt_again.close()
It's necessary to how many times you opened file have to close that times.
...
Full examples of using pySerial package [closed]
... the application.'
input=1
while 1 :
# get keyboard input
input = raw_input(">> ")
# Python 3 users
# input = input(">> ")
if input == 'exit':
ser.close()
exit()
else:
# send the character to the device
# (note that I happe...
How to add NERDTree to your .vimrc
... ~/.vim/bundle; \
curl -Sso ~/.vim/autoload/pathogen.vim \
https://raw.github.com/tpope/vim-pathogen/master/autoload/pathogen.vim
Add this to your .vimrc:
execute pathogen#infect()
then install NERDTree:
cd ~/.vim/bundle
git clone https://github.com/scrooloose/nerdtree.git
And if you...
Dictionary text file [closed]
... somewhere and boom, you have it). Otherwise I think this list is similar: raw.githubusercontent.com/eneko/data-repository/master/data/….
– Greg Schmit
Apr 8 '17 at 23:09
2
...
How do I call Objective-C code from Swift?
...do this is to inherit from NSObject), or to be an enum marked @objc with a raw value of some integer type like Int. You may view the edit history for an example of Swift 1.x code using @objc without these restrictions.
shar...
Pandas every nth row
...y 3rd row starting from 0
df2 = df[df.index % 3 == 0] # Selects every 3rd raw starting from 0
This arithmetic based sampling has the ability to enable even more complex row-selections.
This assumes, of course, that you have an index column of ordered, consecutive, integers starting at 0.
...
Hosting a Maven repository on github
...>
<url>https://github.com/YOUR-USERNAME/YOUR-PROJECT-NAME/raw/mvn-repo/</url>
<snapshots>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
</snapshots>
</repository>
</repositor...
Docker - a way to give access to a host USB or serial device?
...fe as it maps all the devices from your host into the container, including raw disk devices and so forth. Basically this allows the container to gain root on the host, which is usually not what you want.
Using the cgroups approach is better in that respect and works on devices that get added after t...
Arrays vs Vectors: Introductory Similarities and Differences [closed]
...'ll probably start using arrays when interfacing with API's that deal with raw arrays, or when building your own collections.
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How to convert a std::string to const char* or char*?
...o
Simple
Stack memory handling
Cons
Static
Requires string copy
4. Raw memory allocation with automatic storage deletion
std::string foo{ "text" };
auto p = std::make_unique<char[]>(foo.size()+1u);
std::copy(foo.data(), foo.data() + foo.size() + 1u, &p[0]);
Pro
Small memory fo...