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Update multiple columns in SQL
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Works on MySQL.
– João Farias
Dec 16 '16 at 19:44
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Laravel blank white screen
...ps solved blank white screen problem on my Laravel 5.
Go to your Laravel root folder
Give write permission to bootstrap/cache and storage directories
sudo chmod -R 777 bootstrap/cache storage
Rename .env.example to .env
Generate application key with the following command in terminal/comman...
How do I remove/delete a folder that is not empty?
...ample, if top == '/', it
# could delete all your disk files.
import os
for root, dirs, files in os.walk(top, topdown=False):
for name in files:
os.remove(os.path.join(root, name))
for name in dirs:
os.rmdir(os.path.join(root, name))
...
Are multiple `.gitignore`s frowned on?
...s, it seems it would be simplest to just have one .gitignore file at the root of the repo than various ones throughout. Is there a standard best practice on this or some analysis online of when one approach is better than the other?
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Multiple INSERT statements vs. single INSERT with multiple VALUES
...2008 don't seem to be available so instead I had to look at the equivalent UNION ALL construction in SQL Server 2005.
A typical stack trace is below
sqlservr.exe!FastDBCSToUnicode() + 0xac bytes
sqlservr.exe!nls_sqlhilo() + 0x35 bytes
sqlservr.exe!CXVariant::CmpCompareStr() + 0x2b bytes ...
Remove all files except some from a directory
...ir /tmp_backup
It will create a backup directory /tmp_backup (you've got root privileges, right?), move files you listed to that directory, delete recursively everything in current directory (you know that you're in the right directory, do you?), move back to current directory everything from /tmp...
How to find unused images in an Xcode project?
...re, and you just execute it from whatever directory you want to use as the root for searching for images (e.g. your project root folder). You can put it in ~/script/ for example and then go to your project root folder and run it by pointing to the script directly: ~/script/unused_images.sh
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Multiple types were found that match the controller named 'Home'
...ou use areas and you have the same controller name inside the area and the root. For example you have the two:
~/Controllers/HomeController.cs
~/Areas/Admin/Controllers/HomeController.cs
In order to resolve this issue (as the error message suggests you), you could use namespaces when declaring y...
How to get disk capacity and free space of remote computer
... way is casting a string to a WMI object:
$size = ([wmi]"\\remotecomputer\root\cimv2:Win32_logicalDisk.DeviceID='c:'").Size
$free = ([wmi]"\\remotecomputer\root\cimv2:Win32_logicalDisk.DeviceID='c:'").FreeSpace
Also you can divide the results by 1GB or 1MB if you want different units:
$disk = ([...
创业者只需要一种素质：成为某个领域的意见领袖 - 资讯 - 清泛网 - 专注C/C...
...传播
说了这么多推广的重要，那么作为普通创业者应该如何去做？我总不能像老罗一样包下一个剧场去做一个发布会吧。
普通人有普通人的方法，那就是一定要成为“意见领袖”，先看看百度百科上对意见领袖是这么定义的...