Today and everyone to share a python into the library MongoDB script ...When it comes to Python and MongoDB, it is necessary to install the appropriate module, the simplest installation method, or non-PIP.# pip Install pymongo==3.0.4By the way also record the source of the installation method# wget https://pypi.python.org/packages/source/p/pymongo/pymongo-2.8.tar.gz#md5=23100361c9af1904eb2d7722f2658114 --no-check-certificate# Tar xf pymongo-2.8.tar.gz# cd pymongo-2.8# python setup.py installExce
Tags: flags div led inline Description Ted always store compilationIn the Linux kernel (linux-4.14.12/mm/slab.c#3389), at first glance at the bottom of the code, it seems that L3389 have a bug, so I read around the interest of a bit local_irq_save/local_irq_ The source code of the restore./*linux-4.14.12/mm/slab.c#3389*/3377 Static__always_inlinevoid*3378Slab_alloc (structKmem_cache *cachep, gfp_t flags, unsignedLongcaller)3379 {3380UnsignedLongsave_flags;3381 void*OBJP;3389Local_irq_save (
Urgent .......... -- Linux general technology-Linux technology and application information. For details, refer to the following section. The red flag has been installed for the past few days, but it cannot be installed. It is either a black screen or a letter that does not respond. Maybe my computer configuration is very special! Let's talk about how to configure the computer on my computer as Microstar EX400 and the processor as T2410 2. The GHz motherboard is a Microstar MS--1433 memory. 2G gr
Affected Versions:Mozilla Firefox 4.0 Beta1Mozilla Firefox 3.6.xMozilla Firefox 3.5.x vulnerability description:CVE (CAN) ID: CVE-2010-3399, CVE-2010-3400
Firefox is a very popular open-source WEB browser.
In JavaScript Implementation of Firefox, The js_InitRandom function uses the pointer of the current time or environment as the seed of the random number generator. Attackers can easily guess the seed value through brute force guessing attacks, att
. prevent password crackingTo prevent people familiar with this method from deciphering, you can also use the built-in Location Code Input Method to input text without coding in the system font, in this way, even if you select the 正 character set, the password cannot be displayed normally (only blank spaces are displayed ).(1) Open the control panel, double-click "region and language options", click "language> details", and select "simplified Chinese (internal code)" in the list of installed ser
originally sent to remote TCP.
TIME-WAIT: WAIT for enough TIME to confirm that the remote TCP receives the connection interruption request.
CLOSED: No connection status.
You can run the netstat command to view the current connection and status of the host.
Vi. TCP session termination
To close the connection, you should set the FIN control flag with heavy data header. You must use a secondary handshake containing the FIN Data Segment and the ACK data segment. Therefore, you must terminate a TC
The new Fedora15 was launched and cannot wait to get started. It formatted the new Ubuntu11.04 and went directly to Fedora15! However, after the installation, the joy of Gnome3 quickly disappeared from the anxiety and sorrow of being unable to install the wireless network card. After almost a day's attempt, I finally installed the wireless network card !! My computer is DELLVostro3400, wireless network card model is DELLHalf-minicard1501, through lspci to view my wireless network card model is:
download CreateGUID () UDF.Application:The benefits of using UUID are reflected in distributed software systems (e.g. DCE/RPC, Com+,corba), which ensures that the identities generated by each node are not duplicated, and that the benefits of the UUID will be more pronounced with the development of integrated technologies such as Web services. Depending on the specific mechanism used, the UUID must not only be guaranteed to be different from each other, or at least be very different from any oth
[C + +] Problems with Ansi-encoded strings displayed in the Android/ios program in C + + BuilderWell, this question, in fact, is not troublesome, C + + Builder itself in the tencoding did the processing, but may be used or not comfortable, after all, Delphi tbytes in C + + Builder, or feel strange.However, can tell you a good news, ansistring in Delphi although not available, but in C + + can be used.Next, tell us a bad news, you expect ansistring directly assigned to a unicodestring, and then s
Miyu original, post Please note: Reprinted from __________ White House
These days have been very ym ...... tangle ...... make a water question 1075 ...... wa n times ...... ym.(A simple question: if the input string exists, it replaces the output if it exists. If it does not exist, it can be directly output)Finally, I was helpless. After the time passed, I used 1600 + MS or C ++, and g ++ needed 3400 + Ms. NoI understand why there are so many tim
machines. # My Linux FTP memory is a little small #
FreeIdle physical memory size
BuffThe Linux/Unix system is used to store the contents and permissions in the directory. My local machine occupies about 189 MB.
CacheCache is used directly to remember the files we opened and buffer the files. My local machine occupies more than 3400 MB (here is the cleverness of Linux/Unix, cache part of the idle physical memory for files and directories to Improve t
[for help] rent a West Ticket/Finance Street/two-bedroom apartment at erlong Road [Full rent] a full suite of North Beach sciences, with a 50-meter apartment near the University of Finance and Economics, 3400 yuan for rent Transfer, you need to obtain a sublease within the station. Rent a three-bedroom apartment opposite to the Hupan subway station in Zhongguancun Zhichun Li, you can also rent a whole person for rent [whole set of rent] The whole set
Neusoft in the future, because our project managers are very young but have not done development, or even design, every day is a meeting and discussion with customers, or business research. It is hard to imagine what competitiveness they will have under such circumstances.
9. Neusoft's low salary is no longer news, but a colleague who wants to leave told me that Neusoft also deducted employees from insurance, the amount paid by everyone's insurance and provident fund in the 07-year period began
The bipartite method is used to solve the Extreme Value Problem of monotonic functions.Method is used to solve the Extreme Value Problem of convex functions.
Therefore, when using the three-point function, you must note that the function is concave and convex.
Template:
Double CAL (){//..... return 0.0 according to the requirement of the question.} void solve () {double left, right, mid1, mid2, ANS, flg1, flg2; left = 0.0; Right = 1000.0; while (right-left> EPS) {mid1 = (2 * left + right)/3; mi
primary key will not be repeated (the ID card number is repeated) and will not change (the account is upgraded). Therefore, we recommend that you use the logical primary key.
3,SQLTwo common primary key data types of server
1) Int (Or bigint) +ID column (also known as auto-increment field)
Using the ID column to implement field auto-increment can avoid concurrency and other problems. do not control the auto-increment by developers. Use the fields in the ID columnInsertYou do not need to specif
substitution.
The RE module also provides functions that are fully consistent with these methods, which use a pattern string as their first parameter.
The above is to give the text to pave the way, below to see how the python regular expression matching Chinese.
#-*-Coding:utf-8-*-import redef findpart (regex, text, name): Res=re.findall (regex, text) if Res:print "There is%d%s p arts:\n "% (len (res), name) for R in Res:print" \ T ", R.encode (" UTF8 ") Printtext =" #who #helloworld#a Chinese
download CreateGUID () UDF. 4, the application of the benefits of using UUID in distributed software systems (such as: Dce/rpc, Com+,corba) can be reflected, it can ensure that each node generated by the identity will not be duplicated, and with the development of integrated technology such as Web services, the advantages of UUID will be more obvious. Depending on the specific mechanism used, the UUID must not only be guaranteed to be different from each other, or at least be very different fro
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