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Determine if map contains a value for a key?
...ist?
No. With the stl map class, you use ::find() to search the map, and compare the returned iterator to std::map::end()
so
map<int,Bar>::iterator it = m.find('2');
Bar b3;
if(it != m.end())
{
//element found;
b3 = it->second;
}
Obviously you can write your own getValue() routi...
How to create and write to a txt file using VBA
... Runtime and correctly type the variable fso you can take advantage of autocompletion (Intellisense) and discover the other great features of FileSystemObject.
Here is a complete example module:
Option Explicit
' Go to Tools -> References... and check "Microsoft Scripting Runtime" to be able...
How can I check for Python version in a program that uses new language features?
...ontrol early enough, you could split it into different .py files and check compatibility in the main file before importing (e.g. in __init__.py in a package):
# __init__.py
# Check compatibility
try:
eval("1 if True else 2")
except SyntaxError:
raise ImportError("requires ternary support")
# ...
Replace all spaces in a string with '+' [duplicate]
...
This selected solution is slower on large replacement compared to the reg expression version. Test with the 3 solutions posted: jsbin.com/isadi3/2 Firefox has minimal timing difference, IE has a noticeable difference. So if speed matters and you have a large set of replacements,...
Test if string is a guid without throwing exceptions?
...e-Screen:
10,000 good: 637,633 ticks
10,000 bad: 717,894 ticks
COM Interop CLSIDFromString
10,000 good: 126,120 ticks
10,000 bad: 23,134 ticks
COM Intertop (Fastest) Answer:
/// <summary>
/// Attempts to convert a string to a guid.
/// </summary>
/// <param ...
Bordered UITextView
...roperty is, but you can set values in the layer for a view): stackoverflow.com/questions/12837077/…
– Kendall Helmstetter Gelner
Apr 12 '14 at 7:35
add a comment
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What did MongoDB not being ACID compliant before v4 really mean?
I am not a database expert and have no formal computer science background, so bear with me. I want to know the kinds of real world negative things that can happen if you use an old MongoDB version prior to v4 , which were not ACID compliant. This applies to any ACID noncompliant database.
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Android update activity UI from service
... to refresh the activity UI to show that info.
I did find https://github.com/commonsguy/cw-andtutorials/tree/master/18-LocalService/ this example. Is that a good approch ? Any other examples?
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What's the difference between StaticResource and DynamicResource in WPF?
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How to order events bound with jQuery
...ot work any more since it uses this.data("events"), see here stackoverflow.com/questions/12214654/…
– Toskan
Mar 17 '14 at 1:09
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