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What is the difference between LL and LR parsing?
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490
At a high level, the difference between LL parsing and LR parsing is that LL parsers begin at th...
Equal sized table cells to fill the entire width of the containing table
...-layout: fixed suffices to spread the cells evenly.
ul {
width: 100%;
display: table;
table-layout: fixed;
border-collapse: collapse;
}
li {
display: table-cell;
text-align: center;
border: 1px solid hotpink;
vertical-align: middle;
word-wrap: brea...
How can I request the vibrate permission?
... = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
// Vibrate for 300 milliseconds
v.vibrate(300);
For a more creative pattern try the star wars theme =D
v.vibrate(new long[]{0, 500, 110, 500, 110, 450, 110, 200, 110, 170, 40, 450, 110, 200, 110, 170, 40, 500}, -1);
...
Selecting multiple columns in a pandas dataframe
...s of the first two columns) then you can do this instead:
df1 = df.iloc[:, 0:2] # Remember that Python does not slice inclusive of the ending index.
Additionally, you should familiarize yourself with the idea of a view into a Pandas object vs. a copy of that object. The first of the above methods w...
WPF datagrid empty row at bottom
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answered Nov 23 '09 at 18:44
Tomi JunnilaTomi Junnila
6,78333 gold badges2323 silver badges2323 bronze badges
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Is it better to use std::memcpy() or std::copy() in terms to performance?
... 5 strings using all four SHA-2 versions (224, 256, 384, 512), and I loop 300 times. I measure times using Boost.timer. That 300 loop counter is enough to completely stabilize my results. I ran the test 5 times each, alternating between the memcpy version and the std::copy version. My code takes adv...
Best way to check if a Data Table has a null value in it
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edited Apr 10 '14 at 15:05
answered Jan 5 '11 at 13:21
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Uninstall ReSharper 4.5
I have ReSharper 4.5 in Visual Studio 2008. Now I want to install ReSharper 5, but I can't do it before I uninstall ReSharper 4.5.
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Qt c++ aggregate 'std::stringstream ss' has incomplete type and cannot be defined
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Luchian GrigoreLuchian Grigore
229k5050 gold badges409409 silver badges577577 bronze badges
add a...
Default value for field in Django model
...e/ref/models/fields/#editable
b = models.CharField(max_length=7, default='0000000', editable=False)
Also, your id field is unnecessary. Django will add it automatically.
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