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What's the u prefix in a Python string?
... Mar 17 '10 at 18:45
Stefan KendallStefan Kendall
59.9k6161 gold badges228228 silver badges387387 bronze badges
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Trim trailing spaces in Xcode
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Starting from Xcode 4.4 whitespaces will be trimmed automatically by default, unless the line is all whitespace. You can also activate Including whitespace-only lines to fix this, which is not active by default.
Go to Xcode > Preferences > Text Editing > While editing
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How to save a Python interactive session?
...ntly using Python's interpreter to work with databases, files, etc -- basically a lot of manual formatting of semi-structured data. I don't properly save and clean up the useful bits as often as I would like. Is there a way to save my input into the shell (db connections, variable assignments, lit...
How can I change the image displayed in a UIImageView programmatically?
...n I look at the UIImageView doc, I can't see any hints about programmatically changing it. Do I have to fetch an UIImage object from that UIImageView ?
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SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
...ar chat = $.connection.chatHub;
// Create a function that the hub can call to broadcast messages.
chat.client.addChatMessage = function (who, message) {
// Html encode display name and message.
var encodedName = $('<div />').text(who).html();
var encodedMsg = $(...
Reading an image file into bitmap from sdcard, why am I getting a NullPointerException?
...new BitmapFactory.Options();
options.inPreferredConfig = Bitmap.Config.ARGB_8888;
Bitmap bitmap = BitmapFactory.decodeFile(photoPath, options);
selected_photo.setImageBitmap(bitmap);
or
http://mihaifonoage.blogspot.com/2009/09/displaying-images-from-sd-card-in.html
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Change Image of ImageView programmatically in Android
When I change the image programmatically, it shows new image on top of the old image which is set originally in layout file?
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How to create a new branch from a tag?
...Example: git branch <Hotfix branch> <TAG>
git branch hotfix_4.4.3 v4.4.3
git checkout hotfix_4.4.3
or you can do with other command
git checkout -b <Hotfix branch> <TAG>
-b stands for creating new branch to local
once you ready with your hotfix branch, It's tim...
Make a URL-encoded POST request using `http.NewRequest(…)`
...alues{}
data.Set("name", "foo")
data.Set("surname", "bar")
u, _ := url.ParseRequestURI(apiUrl)
u.Path = resource
urlStr := u.String() // "https://api.com/user/"
client := &http.Client{}
r, _ := http.NewRequest(http.MethodPost, urlStr, strings.NewReader(data.Encode()...
How to specify the default error page in web.xml?
... 2.5, there's no other way than specifying every common HTTP error individually. You need to figure which HTTP errors the enduser could possibly face. On a barebones webapp with for example the usage of HTTP authentication, having a disabled directory listing, using custom servlets and code which ca...