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Why do we need the “finally” clause in Python?
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You can use finally to make sure files or resources are closed or released regardless of whether an exception occurs, even if you don't catch the exception. (Or if you don't catch that specific exception.)
myfile = open("test.txt", "w")
try:
myfile.write("the Answer is: ")
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Error while installing json gem 'mkmf.rb can't find header files for ruby'
...ruby -e 'puts RUBY_VERSION[/\d+\.\d+/]'`-dev
The first link you’ve posted is exactly your case: there is no ruby development environment installed. Development env is needed to compile ruby extensions, which are mostly written in C. Proxy has nothing to do with the problem: everything is down...
Need a good hex editor for Linux [closed]
...a < Peta < Exabytes)
Could open your devices on Linux, Windows or MacOSX.
Memory Usage : Currently ~10 MegaBytes while opened multiple > ~8GB files.
Could operate thru XOR encryption.
Written with C++/wxWidgets GUI libs and can be used with other OSes such as Mac OS, Windows as native appl...
How can I send mail from an iPhone application
I want to send an email from my iPhone application. I have heard that the iOS SDK doesn't have an email API. I don't want to use the following code because it will exit my application:
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How can I get the console logs from the iOS Simulator?
I want to see what happens in the iOS Simulator if I'm not testing the app in Xcode.
12 Answers
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How to make a valid Windows filename from an arbitrary string?
..., (current, c) => current.Replace(c, '_')); I wonder if there are any possible performance improvements there. I have kept the original for readability purposes as performance is not my biggest concern. But if anyone is interested, might be worth benchmarking
– chrispepper1...
SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed
...le.
You can also just install the CA files (I haven't tried this) to the OS -- there are lengthy instructions here -- this should work in a similar fashion, but I have not tried this personally.
Basically, the issue you are hitting is that some web service is responding with a certificate signed ...
Invalid default value for 'create_date' timestamp field
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Using OS X, install mysql from Homebrew, System Variables based on its compiled-in defaults.
Solution is to remove "NO_ZERO_DATE" from System Variables "sql_mode".
Just please keep in mind that scope involve.
If you want to affe...
How to redirect both stdout and stderr to a file [duplicate]
... answered Sep 23 '11 at 10:14
Costi CiudatuCosti Ciudatu
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How to export iTerm2 Profiles
...d to do is save your settings first and load it after you reinstalled your OS.
If the Save settings to Folder is disabled, select a folder (e.g. empty) in the Load preferences from a custom folder or URL: text box.
In iTerm2 3.3 on OSX the sequence is: iTerm2 menu, Preferences, General tab, Prefer...