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How to repeat a string a variable number of times in C++?
I want to insert 'n' spaces (or any string) at the beginning of a string in C++. Is there any direct way to do this using either std::strings or char* strings?
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Regex: matching up to the first occurrence of a character
...egular expression look only for matches starting from the beginning of the string. In this case, that would effectively be a no-op if you run the regular expression only once. If you want to look for multiple matches within a single string, the first ^ would have to go.
– Dan B...
Does C# have an equivalent to JavaScript's encodeURIComponent()?
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Uri.EscapeDataString or HttpUtility.UrlEncode is the correct way to escape a string meant to be part of a URL.
Take for example the string "Stack Overflow":
HttpUtility.UrlEncode("Stack Overflow") --> "Stack+Overflow"
Uri.EscapeUriSt...
Set a persistent environment variable from cmd.exe
...stry key, then broadcast a WM_SETTINGCHANGE message with lParam set to the string "Environment". This allows applications, such as the shell, to pick up your updates.
You will of course need admin rights to do this. I know of no way to broadcast a windows message from Windows batch so you'll need...
Why charset names are not constants?
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The simple answer to the question asked is that the available charset strings vary from platform to platform.
However, there are six that are required to be present, so constants could have been made for those long ago. I don't know why they weren't.
JDK 1.4 did a great thing by introducing t...
Return 0 if field is null in MySQL
...) returns expr1; otherwise it returns expr2. IFNULL() returns a numeric or string value, depending on the context in which it is used.
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How to set host_key_checking=false in ansible inventory file?
...rgs='-o StrictHostKeyChecking=no'
host:
Add the following.
ansible_ssh_extra_args='-o StrictHostKeyChecking=no'
hosts/inventory options will work with connection type ssh and not paramiko. Some people may strongly argue that inventory and hosts is more secure because the scope is more limited....
Understanding recursion [closed]
...when printing out items from nested arrays:
var nestedArray = Array('Im a string',
Array
Is there a limit on how much JSON can hold?
...the "default is 2097152 characters, which is equivalent to 4 MB of Unicode string data" for the property JavaScriptSerializer.MaxJsonLength mentioned in Amber's answer. (N.B. I have quoted from MSDN)
– dumbledad
Dec 12 '12 at 20:38
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Convert an enum to List
How do I convert the following Enum to a List of strings?
2 Answers
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