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MongoDB: How to update multiple documents with a single command?
...{field1: 'field1', field2: 'field2'})
New in version 3.2
Params::
{}: select all records updated
Keyword argument multi not taken
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Eclipse - debugger doesn't stop at breakpoint
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Make sure, under Run > Debug Configurations, that 'Stop in main' is selected, if applicable to your situation.
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Add a prefix string to beginning of each line
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You can use Vim in Ex mode:
ex -sc '%s/^/prefix/|x' file
% select all lines
s replace
x save and close
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App Inventor 2 文件查找与文件管理教程 · App Inventor 2 中文网
...Picking() {
global 文件路径 = join("/sdcard/MyApp/", ListView_文件.Selection)
if (文件管理器_Tools1.IsDirectory(文件路径)) {
// 是目录，进入
global 新列表 = 文件管理器_Tools1.FileList(join(文件路径, "/"))
ListView_文件.Elements = 新列表
globa...
Image Segmentation using Mean Shift explained
...tropic configuration:
At this time, it should be clear that you can't select how many "colors" you get after applying Mean Shift. So, let's show how to do it, because that is the second part of your question.
What you need to be able to set the number of output clusters in advance is somethi...
Overriding !important style
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How are you gonna find the selector that actually triggers the style? I think this requires parsing all stylesheets, which is a pretty tough job.
– user123444555621
Feb 2 '11 at 12:03
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Change Tomcat Server's timeout in Eclipse
...ange the time limit
On the right hand side you have timeouts dropdown tab. Select that.
You then have option to change the time limits.
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heroku - how to see all the logs
...o do from your GUI so you have to logged into your heroku account and then select your application and finally click on view logs
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How can I connect to MySQL in Python 3 on Windows?
...k', user='root', passwd=None, db='mysql')
cur = conn.cursor()
cur.execute("SELECT Host,User FROM user")
for r in cur:
print(r)
cur.close()
conn.close()
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how to change namespace of entire project?
...form find namespace name -> right click -> Refactor -> Rename and select a new name. Check all boxes and click OK.
In the solution explorer rename solution name to a new name.
In the solution explorer rename project name to a new name.
Close VS and rename folder (in total commander for exam...