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Remove by _id in MongoDB console
...close. This will work:
db.test_users.deleteOne( {"_id": ObjectId("4d512b45cc9374271b02ec4f")});
i.e. you don't need a new for the ObjectId.
Also, note that in some drivers/tools, remove() is now deprecated and deleteOne or deleteMany should be used instead.
...
How to parse JSON in Python?
...e example that may help you:
json_string = """
{
"pk": 1,
"fa": "cc.ee",
"fb": {
"fc": "",
"fd_id": "12345"
}
}"""
import json
data = json.loads(json_string)
if data["fa"] == "cc.ee":
data["fb"]["new_key"] = "cc.ee was present!"
print json.dumps(data)
The ...
configure: error: C compiler cannot create executables
...
You have an old set of developer tools. gcc is reporting its version as 4.0.1. This may be left over from migrating from an older version of the OS. If you've installed Xcode 4.3.x, you need to launch it, go into its preferences, select the Downloads tab, and click ...
Exploitable PHP functions
...- 2nd parameter is a path.
imagegd2 - 2nd parameter is a path.
iptcembed
ftp_get
ftp_nb_get
// read from filesystem
file_exists
file_get_contents
file
fileatime
filectime
filegroup
fileinode
filemtime
fileowner
fileperms
filesize
filetype
glob
is_dir
is_executable
is_file
is_link
is_readable
is_up...
Linux c++ error: undefined reference to 'dlopen'
...
@Masci is correct, but in case you're using C (and the gcc compiler) take in account that this doesn't work:
gcc -ldl dlopentest.c
But this does:
gcc dlopentest.c -ldl
Took me a bit to figure out...
...
Undoing a 'git push'
...n last_known_good_commit:branch_name
or in your case
git push -f origin cc4b63bebb6:alpha-0.3.0
You may have receive.denyNonFastForwards set on the remote repository. If this is the case, then you will get an error which includes the phrase [remote rejected].
In this scenario, you will have to...
XXX.cc:100: error: ‘::strerror’ has not been declared - C/C++ - 清泛网 - 专注C/C++及内核技术
XXX.cc:100: error: ‘::strerror’ has not been declared#include <string.h>解决。#include <string.h> 解决。strerror
ThreadXxx.cc:100: error: ‘::pthread_kill’ has not been declared - C/...
ThreadXxx.cc:100: error: ‘::pthread_kill’ has not been declared#include <pthread.h>#include <signal.h>除了pthread.h外，还要引入signal.h头文件才行，解决。#include <pthread.h>
#include <signal.h>
除了pthread.h外，还要引入signal.h头文件才行，解决。pthread_kill
9 句话看懂 Photoshop CC 2017 新功能 - IT产品资讯 - 清泛网 - 专注C/C++及内核技术
9 句话看懂 Photoshop CC 2017 新功能一觉醒来看到朋友圈有 po 不少 Adobe Max 现场的图，羡慕之余只能赶紧更新一下新版、看看官方的更新通告，似乎没啥值得大书特书的，所...
一觉醒来看到朋友圈有 po 不少 Adobe Max 现场的图，羡慕...
Combine two or more columns in a dataframe into a new column with a new name
...f$s)
df
# n s b x
# 1 2 aa TRUE 2 aa
# 2 3 bb FALSE 3 bb
# 3 5 cc TRUE 5 cc
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