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Is it a bad practice to use negative margins in Android?

... at the bottom add the margin you want. Then position your view below this one, effectively allowing it to have a "negative" margin but without having to use any unsupported negative value. share | ...
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Delete last commit in bitbucket

...of your coworkers in an illegal state (e.g. if they made commits after the one you deleted, those commits will be invalid since they were based on a now non-existent commit). Said that, what you can do is revert the commit. This procedure is done differently (different commands) depending on the CV...
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Initializing a list to a known number of elements in Python [duplicate]

... The first thing that comes to mind for me is: verts = [None]*1000 But do you really need to preinitialize it? share | improve this answer | follow ...
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What is the difference between ApplicationContext and WebApplicationContext in Spring MVC?

...he corresponding servlets to avoid name clashes between beans. For example one servlet context will be serving the web pages and another will be implementing a stateless web service. This two level separation comes out of the box when you use the spring servlet classes: to configure the root applic...
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Naming convention - underscore in C++ and C# variables

...ate member variables would not have an underscore. This usage has largely gone to the wayside with the advent of automatic properties though. Before: private string _name; public string Name { get { return this._name; } set { this._name = value; } } After: public string Name { get; set;...
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python multithreading wait till all threads finished

...oin sort of attaches the current process to the thread and waits till its done, and if t2 finishs before t1 then when t1 is done it will check for t2 being done see that it is, and then check t3..etc..etc.. and then only when all are done it will continue. awesome. – Inbar Rose...
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Combine two columns of text in pandas dataframe

...concatenate them directly: df["period"] = df["Year"] + df["quarter"] If one (or both) of the columns are not string typed, you should convert it (them) first, df["period"] = df["Year"].astype(str) + df["quarter"] Beware of NaNs when doing this! If you need to join multiple string columns, y...
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Better explanation of when to use Imports/Depends

...ound in both the gam and mgcv packages. If two other packages were loaded, one of them depending on gam and one depending on mgcv, the function found by calls to gam() would depend on the order in which they those two packages were attached. Not good. An "Imports" directive should be used for any s...
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Adding images or videos to iPhone Simulator

...le this is valid, and works, I think Koen's solution below is now a better one, since it does not require rebooting the simulator. Identify your simulator by going to xCode->Devices, selecting your simulator, and checking the Identifier value. Go to ~/Library/Developer/CoreSimulator/Devices/[...
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iPhone: Detecting user inactivity/idle time since last screen touch

...t exception 'NSInternalInconsistencyException', reason: 'There can only be one UIApplication instance.'".. is anything else i need to do...? – Mihir Mehta Jun 23 '10 at 6:42 7 ...