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How to install packages using pip according to the requirements.txt file from a local directory?
... the help option on pip install command)
Also the above is the complete set of options. Please use pip install --help for complete list of options.
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Representing Monetary Values in Java [closed]
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If you are just using dollars and cents, I'd use a long (offset by 2 decimal places). If you need more detail, big decimal may be the way to go.
Either way, I'd probably extend the class to have a .toString() that uses the correct format, and as a place to put other methods that mig...
Determine path of the executing script
... - i.e. if I save that code then run source("~/code/test.r"), PATH will be set to ~/desktop. If you just evaluate it at the top level, it will return NULL.
– hadley
Nov 30 '09 at 16:24
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Ruby Gem install Json fails on Mavericks and Xcode 5.1 - unknown argument: '-multiply_definedsuppres
...nused-command-line-argument-hard-error-in-future
To workaround this issue, set the ARCHFLAGS environment variable to downgrade the error to a warning.
ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future gem install GemName
It seems that all gems violating the compiler options mus...
How can I avoid running ActiveRecord callbacks?
...NOTE: once this is done, if you are not in rspec environment, you should reset the callbacks:
User.set_callback(:save, :after, :generate_nick_name)
works fine for me on rails 3.0.5
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improv...
string.charAt(x) or string[x]?
...ay to detect if
that's for a string or an
array/object.
You can't set the character using this notation. As there is no warning of
any kind, this is really confusing and
frustrating. If you were using the
.charAt(pos) function, you would not
have been tempted to do it.
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How to display a Yes/No dialog box on Android?
...;
AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setMessage("Are you sure?").setPositiveButton("Yes", dialogClickListener)
.setNegativeButton("No", dialogClickListener).show();
You can also reuse that DialogInterface.OnClickListener if you have other yes/no boxes that...
Jackson Vs. Gson [closed]
...(or static factory methods), not just default constructor
Field and getter/setter access (earlier gson versions only used fields, this may have changed)
Out-of-box JAX-RS support
Interoperability: can also use JAXB annotations, has support/work-arounds for common packages (joda, ibatis, cglib), JVM ...
Can I create links with 'target=“_blank”' in Markdown?
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Is there a way in jekyll to set this as the default? I'd like all the links in my blog posts to open with target="_blank"
– ahirschberg
Sep 4 '17 at 20:17
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How do I disable text selection with CSS or JavaScript? [duplicate]
..., it is caniuse.com/#feat=user-select-none
– Martin Vseticka
Aug 23 '15 at 11:37
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