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What does the git index contain EXACTLY?
...e we haven't modified the file
The first bytes are seconds since EPOCH in hex:
date --date="@$(printf "%x" "540976e6")"
Gives:
Fri Sep 5 10:40:06 CEST 2014
Which is when I made this example.
The second 4 bytes are nanoseconds.
UID and GID are 00 00 03 e8, 1000 in hex: a common value for sin...
How do I print a double value with full precision using cout?
...ctual double (with NO ROUND OFF ERROR) is to print out the binary bits (or hex nybbles).
One way of doing that is using a union to type-pun the double to a integer and then printing the integer, since integers do not suffer from truncation or round-off issues. (Type punning like this is not supporte...
When to use -retainCount?
...umber like 1152921504606846975 looks very mysterious until you write it in hex and get 0xfffffffffffffff. And 9223372036854775807 is 0x7fffffffffffffff in hex. And it really is not so surprising that someone would choose to use values like these as flags, given that it would take almost 3000 years ...
How to generate a git patch for a specific commit?
...ied.
The "base commit" is shown as "base-commit: " followed by the 40-hex of
the commit object name.
A "prerequisite patch" is shown as "prerequisite-patch-id: " followed by the 40-hex "patch id", which can be obtained by passing the patch through the "git patch-id --stable" command.
Gi...
urlencode vs rawurlencode?
...ers except -_.~ have been replaced with a percent (%) sign followed by two hex digits. This is the encoding described in » RFC 3986 for protecting literal characters from being interpreted as special URL delimiters, and for protecting URLs from being mangled by transmission media with character con...
How to test if a string is basically an integer in quotes using Ruby
...
You've got the right idea, but it doesn't match binary or hex literals (see my edited solution below).
– Sarah Mei
Aug 6 '09 at 3:56
16
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How to convert an integer to a string in any base?
...
"{0:b}".format(100) # bin: 1100100
"{0:x}".format(100) # hex: 64
"{0:o}".format(100) # oct: 144
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Visual C++: How to disable specific linker warnings?
...y. More details here: bottledlight.com/docs/lnk4099.html I used HxD as a hex editor, and following the description on that page worked fine with VS10. The order is still 4088, 4099, 4105.
– Andreas Haferburg
Feb 13 '12 at 14:59
...
Unsupported major.minor version 52.0 [duplicate]
...va Class Reference:
Java SE 14 = 58
Java SE 13 = 57
Java SE 12 = 56 (0x38 hex)
Java SE 11 = 55 (0x37 hex)
Java SE 10 = 54
Java SE 9 = 53
Java SE 8 = 52
Java SE 7 = 51
Java SE 6.0 = 50
Java SE 5.0 = 49
JDK 1.4 = 48
JDK 1.3 = 47
JDK 1.2 = 46
JDK 1.1 = 45
These are the assigned major numbers. The err...
Calculate MD5 checksum for a file
....)
If you need to represent the hash as a string, you could convert it to hex using BitConverter:
static string CalculateMD5(string filename)
{
using (var md5 = MD5.Create())
{
using (var stream = File.OpenRead(filename))
{
var hash = md5.ComputeHash(stream);
...