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What Are Some Good .NET Profilers?
...st few years, and its memory profiler has some truly useful features which now pushed it ahead of dotTrace as a package in my estimation. I'm lucky enough to have licenses for both, but if you are going to buy one .Net profiler for both performance and memory, make it ANTS.
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What is this Javascript “require”?
...b browser with a limited global context defined mostly by what came to be known as the Document Object Model (DOM) level 0 (the Netscape Navigator Javascript API).
Server-side Javascript eliminates that restriction and allows Javascript to call into various pieces of native code (like the Postgres ...
How can I check for “undefined” in JavaScript? [duplicate]
...n window; // true
"theFoo" in window; // false
If you are interested in knowing whether the variable hasn't been declared or has the value undefined, then use the typeof operator, which is guaranteed to return a string:
if (typeof myVar !== 'undefined')
Direct comparisons against undefined are ...
Can C++ code be valid in both C++03 and C++11 but do different things?
...e plus side there is:
Code that previously implicitly copied objects will now implicitly move them when possible.
On the negative side, several examples are listed in the appendix C of the standard. Even though there are many more negative ones than positive, each one of them is much less likely t...
Can I export a variable to the environment from a bash script without sourcing it?
... is to source the variable:
. ./export.bash
or
source ./export.bash
Now when echoing from main shell it works
echo $VAR
HELLO, VARABLE
We will now reset VAR
export VAR=""
echo $VAR
Now we will execute a script to source the variable then unset it :
./test-export.sh
HELLO, VARABLE
--
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How to use Git?
... just edit the Answer (added an alternate to a dead link). If not, let me know. (I figured it's easier to just ask YOU than to find the rule on this)
– Clay Nichols
Aug 14 '16 at 16:22
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mongodb: insert if not exists
... specify what data you want to write:
data = {"$set":{"key2":"value2"}}
Now your selected document will update the value of "key2" only and leave everything else untouched.
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Can IntelliJ IDEA encapsulate all of the functionality of WebStorm and PHPStorm through plugins? [cl
...gurations that are hooked to iOS Simulator etc.
RubyMine has all of these now, IDEA does not. So I would have to generate a RubyMotion project outside of IDEA, then setup an IDEA project and hook up to that source folder etc and God knows what else.
What JetBrains should do is have a licensing mod...
How to get the day of week and the month of the year?
I don't know much about Javascript, and the other questions I found are related to operations on dates, not only getting the information as I need it.
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What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
...
you can actually look at the .net source for it now too: referencesource.microsoft.com/#mscorlib/system/collections/… you can see that all 3 of TryGetValue, ContainsKey, and this[] call the same FindEntry method and do the same amount of work, only differing in how they...