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Why is \r a newline for Vim?
...tches <CR>
\n matches an end-of-line -
When matching in a string instead of
buffer text a literal newline
character is matched.
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Equivalent of String.format in jQuery
... JavaScript equivalents in MicrosoftAjax of the popular .net methods, e.g. String.format(), String.startsWith(), etc. Are there equivalents to them in jQuery?
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How do I dynamically assign properties to an object in TypeScript?
...n interface could be defined as follows.
interface LooseObject {
[key: string]: any
}
var obj: LooseObject = {};
OR to make it compact:
var obj: {[k: string]: any} = {};
LooseObject can accept fields with any string as key and any type as value.
obj.prop = "value";
obj.prop2 = 88;
The real e...
[ :Unexpected operator in shell programming [duplicate]
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POSIX sh doesn't understand == for string equality, as that is a bash-ism. Use = instead.
The other people saying that brackets aren't supported by sh are wrong, btw.
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Android emulator and virtualbox cannot run at same time
...version of Intel Emulator Accelerator HAXM installed (v6.1.1) .
Go to the extras directory of the Android SDK location displayed in the preferences. On MacOS you can do this:
open ~/Library/Android/sdk/extras
Install the HAXM packing by opening IntelHAXM_6.1.1.dmg, then opening IntelHAXM_6.1.1.mpk...
Throwing exceptions from constructors
...attached has an outdated hyperlink. To fix it wants to change exactly one character, replacing "#faq-17.2" with "#faq-17.8" in the URL. However, Stackoverflow's software requires that an edit submitted by a low-reputation user like me change at least six characters. Pretty obviously, the broken l...
How do you embed binary data in XML?
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If you're using .NET, you can convert a binary file directly to a base64 string and stick it inside an XML element.
string base64 = Convert.ToBase64String(File.ReadAllBytes(fileName));
Or, there is a method built right into the XmlWriter object. In my particular case, I had to include Microsoft...
Unix's 'ls' sort by name
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Files being different only by a numerical string can be sorted on this number at the condition that it is preceded by a separator.
In this case, the following syntax can be used:
ls -x1 file | sort -t'<char>' -n -k2
Example:
ls -1 TRA*log | sort -t'_' -n -...
What's the best way to parse command line arguments? [closed]
...-query',
action="store", dest="query",
help="query string", default="spam")
It pretty much speaks for itself; at processing time, it will accept -q or --query as options, store the argument in an attribute called query and has a default value if you don't specify it. It is...
Case insensitive 'in'
...pper() for name in USERNAMES) would create only a generator and one needed string at a time - massive memory savings if you're doing this operation a lot. (even more savings, if you simply create a list of lowercase usernames that you reuse for checking every time)
– viraptor
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