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Add a prefix string to beginning of each line
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answered Jan 20 '10 at 7:05
ghostdog74ghostdog74
269k4848 gold badges233233 silver badges323323 bronze badges
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Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2
..._join and semi_join would not work in some cases like mine. I was getting "Error: Columns must be 1d atomic vectors or lists" for my data frame. Maybe I could process my data so that these functions work. Sqldf worked right out of the gate!
– Akshay Gaur
Nov 27...
How to set breakpoints on future shared libraries with a command flag
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For some reason, I get this error Program received signal SIGILL, Illegal instruction. I am sourcing breakpoints from a file and I have set breakpoint pending on since some of my breakpoints are in a library that the program loads. If I add breakpoints ...
Download a file with Android, and showing the progress in a ProgressDialog
...connect();
// expect HTTP 200 OK, so we don't mistakenly save error report
// instead of the file
if (connection.getResponseCode() != HttpURLConnection.HTTP_OK) {
return "Server returned HTTP " + connection.getResponseCode()
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Exclude folders from Eclipse search
... save any search time, and you'll get .git/.../filename.file doesn't exist errors because the search cache (I think?) still considers the .git folder to be a valid place to look.
– coredumperror
May 10 '12 at 0:33
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Why are floating point numbers inaccurate?
...ntissa_bits = 52
exponent_bias = 1023
else:
raise ValueError, 'bits argument must be 32 or 64'
bin_iter = iter(bin(struct.unpack(int_pack, struct.pack(float_pack, number))[0])[2:].rjust(bits, '0'))
return [''.join(islice(bin_iter, x)) for x in (1, exponent_bits, mantissa_...
C++ where to initialize static const
... I have upvoted, but after reviewing the standard there is an error in your code: i must be defined in the cpp. §9.4.2/4 If a static data member is of const integral or const enumeration type, its declaration in the class definition can specify a constant-initializer which shall be an ...
How to view DLL functions?
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kenorb
105k4949 gold badges542542 silver badges576576 bronze badges
answered Oct 30 '12 at 18:47
jmcarter9tjm...
'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine
..., everything was working fine, then all the sudden it started getting this error. SO what could have happened to cause this? No code changed.
– eetawil
Jan 25 '16 at 14:21
25
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How to list all properties of a PowerShell object
...properties. Note that in the case where you're trying to view a PowerShell error record, you need to use "Format-List * -Force" to truly see all the error information, for example,
$error[0] | Format-List * -force
Note that the wildcard can be used like a traditional wilcard this:
Get-WmiObject ...