大约有 7,000 项符合查询结果（耗时：0.0136秒） [XML]
Need a good hex editor for Linux [closed]
...is no good hex editor for Linux system, specially for big files.
It uses 64 bit file descriptors (supports files or devices up to 2^64 bytes , means some exabytes but tested only 1 PetaByte file (yet). ).
It does NOT copy whole file to your RAM. That make it FAST and can open files (which sizes ar...
How to set JAVA_HOME in Linux for all users
... /etc/profile.d/jdk_home.sh:
#!/bin/sh
export JAVA_HOME=/opt/ibm/java-x86_64-60/
export PATH=$JAVA_HOME/bin:$PATH
I initially neglected the first line (the #!/bin/sh), and it won't work without it.
Now it's working:
$ echo $JAVA_HOME
/opt/ibm/java-x86_64-60/
...
What is time_t ultimately a typedef to?
...t systems implement the time_t type as a signed
integer (typically 32 or 64 bits wide)
which represents the number of seconds
since the start of the Unix epoch:
midnight UTC of January 1, 1970 (not
counting leap seconds). Some systems
correctly handle negative time values,
while others...
Is it possible to set private property via reflection?
...
96
t.GetProperty("CreatedOn")
.SetValue(obj, new DateTime(2009, 10, 14), null);
EDIT: Since ...
What is the smallest possible valid PDF?
... 69 6C 65 72 3C
3C 2F 52 6F 6F 74 3C 3C 2F 50 61 67 65 73 3C 3C
2F 4B 69 64 73 5B 3C 3C 2F 4D 65 64 69 61 42 6F
78 5B 30 20 30 20 33 20 33 5D 3E 3E 5D 3E 3E 3E
3E 3E 3E
I tried taking off the last end dictionary (>>), but Acrobat wouldn't have that. The PDF reading built-in to Google C...
Quit and restart a clean R session from within R?
...eActiveBinding("restart.R", function() { shell.exec(paste0(R.home(),"/bin/x64/Rgui.exe")); q("no") }, .GlobalEnv)
You'll need to edit the file path /bin/x64/Rgui.exe to match whatever you use to start R. You just put this line in your .Rprofile file, then you can call it by entering restart.R in y...
XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv
... use with https://github.com/kripken/sql.js/)
I created a file called base64_data.js (and used btoa() to convert the data that I needed and insert it into a <div> so I could copy it).
var base64_data = "U1FMaXRlIGZvcm1hdCAzAAQA ...<snip lots of data> AhEHwA==";
and then included the ...
Extracting just Month and Year separately from Pandas Datetime column
...
Note that the resulting column is not of the datetime64 dtype anymore. Using df.my_date_column.astype('datetime64[M]'), as in @Juan's answer converts to dates representing the first day of each month.
– Nickolay
May 26 '18 at 19:52
...
What Java ORM do you prefer, and why? [closed]
...
84
It's the same story over and over again with ORM: nice quick initial development, and a big drain on your resources further on in the proje...
C++ Best way to get integer division and remainder
...imize, though, at least for g++. A simple experiment with g++ 6.3.0 on x86_64 revealed that with no optimization at all, you get two idivl instructions, but with -O1 or greater, you get one. As the manual says, “Without any optimization option … Statements are independent”.
...