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How to overcome “datetime.datetime not JSON serializable”?
...elds were represented as:
{"$date": 1506816000000}
If you want a generic Python solution for serializing datetime to json, check out @jjmontes' answer for a quick solution which requires no dependencies.
As you are using mongoengine (per comments) and pymongo is a dependency, pymongo has built-...
difference between #if defined(WIN32) and #ifdef(WIN32)
I am compiling my program that will running on linux gcc 4.4.1 C99.
3 Answers
3
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How to find the largest file in a directory and its subdirectories?
...no simple command available to find out the largest files/directories on a Linux/UNIX/BSD filesystem. However, combination of following three commands (using pipes) you can easily find out list of largest files:
# du -a /var | sort -n -r | head -n 10
If you want more human readable output try:
$...
C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ks对象
源Excel：
生成的结果Excel：
5、工程源码下载：ExcelDemo.zip
1233|1234|1455|2067C++ 高速读写 EXCEL OLE COM
How can I get around MySQL Errcode 13 with SELECT INTO OUTFILE?
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it works to write in /tmp. Use windows instead. Linux sucks
– Victor Ionescu
May 7 '18 at 12:17
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Get just the filename from a path in a Bash script [duplicate]
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This function can give you the filename with or without extension of a linux filepath even if the filename has multiple "."s in it.
It can also handle spaces in the filepath and if the file path is embedded or wrapped in a string.
#you may notice that the sed replace has gotten really crazy loo...
Git authentication fails after enabling 2FA
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On linux, you can authenticate your GitHub identity using an SSH key.
1) Generating a new SSH key (source)
Open terminal.
Paste the text below, substituting in your GitHub email address.
ssh-keygen -t rsa -b 4096 -C "your_email@...
set up device for development (???????????? no permissions)
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What works for me is to kill and start the adb server again. On linux: sudo adb kill-server and then sudo adb start-server. Then it will detect nearly every device out of the box.
share
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Cron jobs and random times, within given hours
...hp
You need to render modulus as '\%' above because cron (well, at least Linux 'vixie-cron') terminates the line when it encounters an unescaped '%'.
Maybe you could get the remaining 7 script executions in there by adding another line with another 7-hour range. Or relax your restriction to run b...
Git Push Error: insufficient permission for adding an object to repository database
...ue or group, Git relies on a feature of GNU operating systems (e.g., every Linux distribution) to ensure that newly created subdirectories are owned by the correct group (the group that all of the repository's users are in). This feature is documented in the GNU coreutils documentation:
... [If...