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“Undefined reference to” template class constructor [duplicate]
... be instantiated. In fact, this 'bug' might be seen as a feature, as it stops users of your code from accidentally using instantiations you have not tested for or planned for ("I know this works for cola<float> and cola<string>, if you want to use something else, tell me first and will c...
What does @synchronized() do as a singleton method in objective C?
...d answer. Although what it says would sometimes be correct (as long as the token passed to synhronized is the same object in all threads), it is misleadingly incomplete. synchronized prevents any number of associated code sections from executing at the same time, not just "that code in the block". T...
Why does this code using random strings print “hello world”?
...answered Mar 3 '13 at 4:40
FThompsonFThompson
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how do I make a single legend for many subplots with matplotlib?
... in zip(*lines_labels)]
deserve an explanation — to this aim I have encapsulated the tricky part in a function, just 4 lines of code but heavily commented
def fig_legend(fig, **kwdargs):
# generate a sequence of tuples, each contains
# - a list of handles (lohand) and
# - a list of...
What is App.config in C#.NET? How to use it?
...gured using built-in configuration sections such as connectionStrings or appSettings. You can add your own custom configuration sections; this is an advanced topic, but very powerful for building strongly-typed configuration files.
Web applications typically have a web.config, while Windows GUI/ser...
Android SharedPreference security
...aredpreferences good place to put sensitive data, such as password or auth token?
No. It can be easily hacked. If you want to put any sensitive data in shared prefrence file you can encrypt the data and store. You can store your encryption key in NDK/server.
...
Determine if running on a rooted device
... can not be true). I tried to figure out why. So I used MAT to get heap dumps and analyze, and everything seemed perfect. But after relaunching my app many times I realized that device is really getting slower and stopping my application didn't make it faster (unless I restart device). I analyzed du...
What is the use of join() in Python threading?
...just blocked from terminating (returning to the OS), not more. By the same token, it's not so obvious that there's a main thread calling a child thread to 'join' it (ie terminate). So, Don Q, thanks for the explanation.
– RolfBly
Jan 14 '14 at 20:40
...
Why use strong named assemblies?
...sembly>
<assemblyIdentity name="MyAssembly.MyComponent" publicKeyToken="null" culture="neutral" />
<bindingRedirect oldVersion="0.0.0.0-2.0.0.0" newVersion="2.0.0.0" />
</dependentAssembly>
You need to have a public key token
<dependentAssembly>
<asse...
How to remove a field from params[:something]
...-1" as the key. {"utf8"=>"✓", "_method"=>"patch", "authenticity_token"=>"VtY...", "brochure"=> {"title"=>"Hello world", "profilings_attributes"=> {"-1"=>{"member_profile_id"=>"3"}, "0"=>{"percentage"=>"10.0", "description"=>"Some description!", "_...