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printf with std::string?
...fe, since it uses variable arguments in the C sense1. printf has no option for std::string, only a C-style string. Using something else in place of what it expects definitely won't give you the results you want. It's actually undefined behaviour, so anything at all could happen.
The easiest way to ...
How do I center align horizontal menu?
...I'm not sure you need the overflow: hidden; bit anyways, though since it's for horizontal overflow, you could always try overflow-x: hidden; instead. webchat.freenode.net/?nick=oerflowono&channels=#websites for real-time assistance.
– reisio
Mar 28 '12 at ...
How to use HTML Agility pack
...he .NET framework. While HtmlEntity.DeEntitize() is another useful method for processing html entities correctly. (thanks Matthew)
HtmlDocument and HtmlNode are the classes you'll use most. Similar to an XML parser, it provides the selectSingleNode and selectNodes methods that accept XPath expr...
Adding placeholder text to textbox
I am looking for a way to add placeholder text to a textbox like you can with a textbox in html5.
24 Answers
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Deep copy of a dict in python
I would like to make a deep copy of a dict in python. Unfortunately the .deepcopy() method doesn't exist for the dict . How do I do that?
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iOS JavaScript bridge
...e are several libraries to create native iOS apps in HTML5 and javascript (for example AppMobi, PhoneGap), but I'm not sure if there is a library to help create native iOS apps with heavy JavaScript usage. I need to:
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What column type/length should I use for storing a Bcrypt hashed password in a Database?
... a hashed password (using BCrypt) in a database. What would be a good type for this, and which would be the correct length? Are passwords hashed with BCrypt always of same length?
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No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
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For me it was enough just to add the JDK to the list of "Installed JREs" (not the best naming...) and checking the check box beside the new JDK entry making it the default VM.
– Tom Fink
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How do I find where JDK is installed on my windows machine?
...mework/Versions/Current/Commands/java
If you are using Windows:
c:\> for %i in (java.exe) do @echo. %~$PATH:i
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MongoDB not equal to
...Use $ne -- $not should be followed by the standard operator:
An examples for $ne, which stands for not equal:
use test
switched to db test
db.test.insert({author : 'me', post: ""})
db.test.insert({author : 'you', post: "how to query"})
db.test.find({'post': {$ne : ""}})
{ "_id" : ObjectId("4f68b1...