大约有 42,000 项符合查询结果(耗时:0.0546秒) [XML]
(Mac) -bash: __git_ps1: command not found
... export PS1='\t H#\! \u:\w$(__git_ps1 "{%s}") -->> '
Option 2: Add a selection script
if [ -f ~/.git-completion.bash ]; then
export PS1='\w$(__git_ps1 "(%s)") > '
fi
Save and use the profile: source ~/.bash_profile or source ~/.bashrc
Now you should see the git prompt working prop...
Why does std::getline() skip input after a formatted extraction?
...he stream:
"John\n"
A newline is always appended to your input when you select Enter or Return when submitting from a terminal. It is also used in files for moving toward the next line. The newline is left in the buffer after the extraction into name until the next I/O operation where it is eithe...
How do you specify the Java compiler version in a pom.xml file?
... Which way is "best"? This one is less verbose compared to the selected answer, but it seems sort of hidden. Even the Maven site documentation shows using the plugin.
– mkobit
Oct 15 '15 at 16:34
...
In which case do you use the JPA @JoinTable annotation?
... UPDATE There aren't duplicates entries in my database, the hibernate is selecting with the left outer join and I dont know why..
– MaikoID
Dec 12 '12 at 20:49
2
...
Simple Digit Recognition OCR in OpenCV-Python
...de a small code in OpenCV. It does following things:
It loads the image.
Selects the digits ( obviously by contour finding and applying constraints on area and height of letters to avoid false detections).
Draws the bounding rectangle around one letter and wait for key press manually. This time we...
How do I replace NA values with zeros in an R dataframe?
... mutate(myCol1 = if_else(is.na(myCol1), 0, myCol1))
Note: This works per selected column, if we need to do this for all column, see @reidjax's answer using mutate_each.
share
|
improve this answer...
How do you add an in-app purchase to an iOS application?
...he app you want do add the purchase to
Click the Features header, and then select In-App Purchases on the left
Click the + icon in the middle
For this tutorial, we are going to be adding an in-app purchase to remove ads, so choose non-consumable. If you were going to send a physical item to the user...
How to implement the activity stream in a social network
...criber, I do a simple join of the three tables. The join is fast because I select few activities thanks to a WHERE condition that looks like now - time > some hours. I avoid other joins thanks to data field in Activity table.
Further explanation on reason field. If, for example, I want to filter...
Specifying and saving a figure with exact size in pixels
...-- it seems that the DPI saved is always 0.02 pixels/inch smaller than the selected value, which will have a (small) effect on large image sizes. Some more discussion of this here.
share
|
improve t...
How do I run a Python program in the Command Prompt in Windows 7?
...you have Python2.7 installed
Goto the Start Menu
Right Click "Computer"
Select "Properties"
A dialog should pop up with a link on the left called "Advanced system settings". Click it.
In the System Properties dialog, click the button called "Environment Variables".
In the Environment Variables di...
