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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.
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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
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How to remove all the occurrences of a char in c++ string
...d::string output;
output.reserve(str.size()); // optional, avoids buffer reallocations in the loop
for(size_t i = 0; i < str.size(); ++i)
if(str[i] != 'a') output += str[i];
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improve th...
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...
Get child node index
...es). Array.prototype.indexOf accesses that implementation directly without allocating an anonymous instance. The difference is going to be negligible in almost all circumstances, so frankly it may not be worth caring about.
– Scott Miles
Jun 24 '15 at 17:03
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Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
...XX:MaxMetaspaceSize option.
-XX:PermSize=size
Sets the space (in bytes) allocated to the permanent generation that triggers a garbage collection if it is exceeded. This option was deprecated in JDK 8, and superseded by the -XX:MetaspaceSize option.
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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!", "_...
What is the use of having destructor as private?
... while implementing a factory where the created objects are required to be allocated on the heap. The objects would, in general, be created/deleted by a static member or friend. Example of a typical usage:
class myclass
{
public:
static myclass* create(/* args */) // Factory
{
retu...
How do I make background-size work in IE?
...ingMethod='scale')";
However, this scales the entire image to fit in the allocated area, so if you're using a sprite, this may cause issues.
Specification: AlphaImageLoader Filter @microsoft
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Remove HTML Tags from an NSString on the iPhone
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UITextView *textview= [[UITextView alloc]initWithFrame:CGRectMake(10, 130, 250, 170)];
NSString *str = @"This is <font color='red'>simple</font>";
[textview setValue:str forKey:@"contentToHTMLString"];
textview.textAlignment = NSTextAlignmentLeft;
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