大约有 7,000 项符合查询结果（耗时：0.0174秒） [XML]
warning: Insecure world writable dir /usr/local/bin in PATH, mode 040777
...
You will need to have root access to do this. If you aren't already the administrative user, login as the administrator. Then use 'sudo' to change the permissions:
sudo chmod go-w /usr/local/bin
Obviously, that will mean you can no longer ins...
Reading an Excel file in PHP [closed]
... you want to use the data in the excel file. If you want to import it into mysql, you could simply save it as a CSV formatted file and then use fgetcsv to parse it.
share
|
improve this answer
...
How to paginate with Mongoose in Node.js?
...sappointed', although it is a valid caution. Although the same issue is in MySQL offset,limit. It is has to traverse the tree to the offset before returning results. I'd take this with a grain of salt, if your result sets are less than 1mil and there's no preservable performance hit, use skip().
...
Simulate delayed and dropped packets on Linux
...y to all packets going out of the local Ethernet.
# tc qdisc add dev eth0 root netem delay 100ms
Now a simple ping test to host on the local network should show an increase of 100 milliseconds. The delay is limited by the clock resolution of the kernel (Hz). On most 2.4 systems, the system cl...
How to add 30 minutes to a JavaScript Date object?
...t may be overkill/impossible for your project. The syntax is modeled after MySQL DATE_ADD function.
/**
* Adds time to a date. Modelled after MySQL DATE_ADD function.
* Example: dateAdd(new Date(), 'minute', 30) //returns 30 minutes from now.
* https://stackoverflow.com/a/1214753/18511
*
* @...
How to create a self-signed certificate for a domain name for development?
...n an elevated command prompt):
makecert.exe -n "CN=My Company Development Root CA,O=My Company,
OU=Development,L=Wallkill,S=NY,C=US" -pe -ss Root -sr LocalMachine
-sky exchange -m 120 -a sha1 -len 2048 -r
You can then create a certificate bound to your subdomain and signed by your new authority...
Can table columns with a Foreign Key be NULL?
... otherwise an empty string can be passed as default. This is the case with MySQL, and results in an integrity error on update.
– CodeMantle
Mar 21 at 8:28
add a comment
...
Declaring an unsigned int in Java
...
We needed unsigned numbers to model MySQL's unsigned TINYINT, SMALLINT, INT, BIGINT in jOOQ, which is why we have created jOOU, a minimalistic library offering wrapper types for unsigned integer numbers in Java. Example:
import static org.joou.Unsigned.*;
// ...
Emulator error: This AVD's configuration is missing a kernel file
...r the SDK files and will look something like:
emulator: found ANDROID_SDK_ROOT: C:\Program Files (x86)\Android\android-sdk
Make sure that location is correct.
In my case, ANDROID_SDK_ROOT was initially set incorrectly to my home directory. This is because I set it that way by blindly following t...
How does RewriteBase work in .htaccess
...writeBase, Apache usually detects it correctly for paths under the DocumentRoot unless:
You are using Alias directives
You are using .htaccess rewrite rules to perform HTTP redirects (rather than just silent rewriting) to relative URLs
In these cases, you may find that you need to specify the Re...