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How to use JavaScript variables in jQuery selectors?
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edited Jun 25 '15 at 5:31
answered May 5 '11 at 2:10
Vin...
The difference between the 'Local System' account and the 'Network Service' account?
...s limited to a given set of accounts. In Windows XP SP2, Windows Server 2003, and above the Activation permission was restricted significantly. You should use the Component Services MMC snapin to examine your specific COM object and see the activation permissions. If you're not accessing anything on...
How to branch with TortoiseHG
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213
As shown in the docs, all you should need to do is just click on the branch: default button near...
Counting the number of elements with the values of x in a vector
...an just use table():
> a <- table(numbers)
> a
numbers
4 5 23 34 43 54 56 65 67 324 435 453 456 567 657
2 1 2 2 1 1 2 1 2 1 3 1 1 1 1
Then you can subset it:
> a[names(a)==435]
435
3
Or convert it into a data.frame if you're more comfor...
How do I install a custom font on an HTML site
...e CSS feature named @font-face.
It has only been officially approved in CSS3, but been proposed and implemented in CSS2 and has been supported in IE for quite a long time.
You declare it in the CSS like this:
@font-face { font-family: Delicious; src: url('Delicious-Roman.otf'); }
@font-face { f...
What's the difference between an exclusive lock and a shared lock?
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ArjunShankarArjunShankar
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How does MongoDB sort records when no sort order is specified?
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StennieStennie
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4
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Using reflect, how do you set the value of a struct field?
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edited May 9 '19 at 5:37
answered Jun 18 '11 at 14:29
p...
How can I extract a good quality JPEG image from a video file with ffmpeg?
...ale:v (or the alias -q:v) as an output option.
Normal range for JPEG is 2-31 with 31 being the worst quality.
The scale is linear with double the qscale being roughly half the bitrate.
Recommend trying values of 2-5.
You can use a value of 1 but you must add the -qmin 1 output option (because the d...
Determine whether an array contains a value [duplicate]
...t yourself
– RaYell
Jul 25 '09 at 8:36
7
you should use a typed comparison with === to be compati...