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How do you create a random string that's suitable for a session ID in PostgreSQL?

... Sam R. 13.5k88 gold badges5353 silver badges100100 bronze badges answered Mar 29 '11 at 20:49 grourkgrourk 61177 silver ba...
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Must qualify the allocation with an enclosing instance of type GeoLocation

... } } public class Stack { final static int MaxStack = 100; final static int Value = -999999; int top = -1; int[] ST = new int[MaxStack]; public boolean empty() { return top == -1; } public int pop() { if ...
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When should I choose Vector in Scala?

...asurements, so iteration is about twice as fast for list, prepend is about 100 times faster on lists, decomposition in head/tail is about 10 times faster on lists and generation from a traversable is about 2 times faster for vectors. (This is probably, because Vector can allocate arrays of 32 elemen...
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Matplotlib discrete colorbar

....N) # make the scatter scat = ax.scatter(x, y, c=tag, s=np.random.randint(100, 500, 20), cmap=cmap, norm=norm) # create a second axes for the colorbar ax2 = fig.add_axes([0.95, 0.1, 0.03, 0.8]) cb = plt.colorbar.ColorbarBase(ax2, cmap=cmap, norm=norm, spacing='proportional', ...
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How to Publish Web with msbuild?

...w /p:MSDeployPublishMethod=WMSVC. It gives me an error MSBUILD : error MSB1008: Only one project can be specified. Switch: WebSite/New. Is there a solution for this? – Nevin Raj Victor May 27 '15 at 14:56 ...
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DBMS_OUTPUT.PUT_LINE not printing

... Ok so now it displays the correct names but like 100times. how would i display title, year, rolename, quote in a table below instead of the 100s of name that appears – dexter May 3 '12 at 15:43 ...
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When should one use RxJava Observable and when simple Callback on Android?

...For example, the caller wants to get a photo that is cropped to dimensions 100x100. The api may return any size photo, so you can map the getUserPhoto observable to another ResizedPhotoObservable - the caller only gets notified when the resizing is done. If you don't need to use it, don't force it. ...
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Share Large, Read-Only Numpy Array Between Multiprocessing Processes

...the array: a = np.memmap('test.array', dtype='float32', mode='w+', shape=(100000,1000)) You can then fill this array in the same way you do with an ordinary array. For example: a[:10,:100]=1. a[10:,100:]=2. The data is stored into disk when you delete the variable a. Later on you can use mult...
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Tooltips for cells in HTML table (no Javascript)

...ve; } .CellComment{ display:none; position:absolute; z-index:100; border:1px; background-color:white; border-style:solid; border-width:1px; border-color:red; padding:3px; color:red; top:20px; left:20px; } .CellWithComment:hover span.CellComment{ disp...
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Why is Thread.Sleep so harmful

...ted resource, they take approximately 200,000 cycles to create and about 100,000 cycles to destroy. By default they reserve 1 megabyte of virtual memory for its stack and use 2,000-8,000 cycles for each context switch. This makes any waiting thread a huge waste. The preferred solution: Wa...