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Lock Escalation - What's happening here?
While altering a table (removing a column) in SQL Server 2008, I clicked the Generate Change Script button and I noticed that the change script it generated drops the column, says "go" and then runs an additional ALTER TABLE statement that appears to set the lock escalation for the table to "TABLE"....
How do I test for an empty JavaScript object?
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ECMA 5+:
// because Object.keys(new Date()).length === 0;
// we have to do some additional check
Object.keys(obj).length === 0 && obj.constructor === Object
Note, though, that this creates an unnecessary array (the return value of keys).
Pre-ECMA 5:
function isEmpty(o...
Writing to an Excel spreadsheet
... for n, v_desc, v in enumerate(zip(desc, variables)):
sh.write(n, 0, v_desc)
sh.write(n, 1, v)
n+=1
sh.write(n, 0, col1_name)
sh.write(n, 1, col2_name)
for m, e1 in enumerate(list1, n+1):
sh.write(m, 0, e1)
for m, e2 in enumerate(list2, n+1):
...
How to find event listeners on a DOM node when debugging or from the JavaScript code?
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508
If you just need to inspect what's happening on a page, you might try the Visual Event bookmark...
How do you round to 1 decimal place in Javascript?
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Math.round(num * 10) / 10 works, here is an example...
var number = 12.3456789
var rounded = Math.round(number * 10) / 10
// rounded is 12.3
if you want it to have one decimal place, even when that would be a 0, then add...
var fixed = rou...
What are transparent comparators?
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60
What problem does this solve,
See Dietmar's answer and remyabel's answer.
and does this...
Recommended way to embed PDF in HTML?
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edited Jun 10 '12 at 12:57
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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“#include” a text file in a C program as a char[]
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$ echo hello world > a
$ xxd -i a
outputs:
unsigned char a[] = {
0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x0a
};
unsigned int a_len = 12;
share
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improve this an...
C# int to byte[]
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edited Apr 26 '14 at 0:20
Qantas 94 Heavy
14.4k1616 gold badges6060 silver badges7777 bronze badges
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When to use Task.Delay, when to use Thread.Sleep?
... retry timer.
– Stephen Cleary
Nov 20 '13 at 0:42
4
Or when you don't want to chew up CPU in a ma...