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Why is sizeof considered an operator?
...t-expression.) And I hate the way that comment Markdown works differently from Q&A Markdown!
– Jonathan Leffler
May 30 '17 at 1:13
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How to grep and replace
...s touches every file so file times are modified; and converts line endings from CRLF to LF on Windows.
– jww
Oct 25 '17 at 0:21
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How do I determine file encoding in OS X?
... That's a function call you would use if you want to write a program. From the command line, just type ls -l@ <filename> to see what attributes are set for the file. To see the actual attribute, type xattr -p com.apple.TextEncoding <filename>
– Edward Falk
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Nested using statements in C#
... that does work, yes, but then when you're calling the IDisposable objects from inside the using block, we can't call any of the class members (without a cast, which defeats the point imo).
– Connell
Mar 22 '13 at 9:58
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Convert a list to a data frame
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This method suffers from the null situation.
– Frank Wang
May 9 '12 at 9:38
3
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Java String to SHA1
... you how.
return byteArrayToHexString(md.digest(convertme))
and (copied from Real's How To)
public static String byteArrayToHexString(byte[] b) {
String result = "";
for (int i=0; i < b.length; i++) {
result +=
Integer.toString( ( b[i] & 0xff ) + 0x100, 16).substring( 1 ...
Set NOW() as Default Value for datetime datatype?
...ysql.com/doc/refman/5.1/en/create-table.html
If you want to prevent MySQL from updating the timestamp value on UPDATE (so that it only triggers on INSERT) you can change the definition to:
CREATE TABLE mytable (
mydate TIMESTAMP DEFAULT CURRENT_TIMESTAMP
)
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One line if-condition-assignment
...s must have a clearly defined return value in all cases. This is different from usage as in, say, Ruby or Perl.
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diff current working copy of a file with another branch's committed copy
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Did you try with a -- in order to separate parameters from path arguments? git diff -- master:foo foo
– VonC
Feb 2 '12 at 16:13
1
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Android emulator and virtualbox cannot run at same time
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I got the same VirtualBox conflict.
Solved it by using ABI different from "x86" (armeabi-v7a in my case)
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