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How to modify a text file?
...
This is an operating system thing, not a Python thing. It is the same in all languages.
What I usually do is read from the file, make the modifications and write it out to a new file called myfile.txt.tmp or something like that. This is better than reading the whole file into memory because the f...
How to make a programme continue to run after log out from ssh? [duplicate]
...+ Stopped myprogram
$ disown -h %1
$ bg 1
[1]+ myprogram &
$ logout
If there is only one job, then you don't need to specify the job number. Just use disown -h and bg.
Explanation of the above steps:
You press ctrl-Z. The system suspends the running program, displays a job n...
Hidden Features of Java
... locks, they live in java.util.concurrent and a specifically interesting example is the java.util.concurrent.atomic subpackage that contains thread-safe primitives that implement the compare-and-swap operation and can map to actual native hardware-supported versions of these operations.
...
How to loop through files matching wildcard in batch file
... 'f.out'. I want to write a batch file (in Windows XP) which goes through all the filenames, for each one it should:
7 Ans...
load scripts asynchronously
...; //uncomment this line to see which ready states are called.
if ( !r && (!this.readyState || this.readyState == 'complete') )
{
r = true;
callback();
}
};
t = document.getElementsByTagName('script')[0];
t.parentNode.insertBefore(s, t);
}
If you've already got...
MemoryCache does not obey memory limits in configuration
...ionCount(2);
SRef ref2 = this._sizedRef;
if ((num != this._gen2Count) && (ref2 != null))
{
this._gen2Count = num;
this._idx ^= 1;
this._cacheSizeSampleTimes[this._idx] = DateTime.UtcNow;
this._cacheSizeSamples[this._idx] = ref2.ApproximateSize;
IMemoryCacheManager m...
Why does ReSharper want to use 'var' for everything?
...ing is to change most/all my explicit declarations to var instead. For example:
23 Answers
...
AngularJS ng-style with a conditional expression
...
This question literally asks for an example with ng-style and the accepted answer with 100+ votes does not provide that.
– JWiley
Jul 18 '18 at 3:34
...
What is the $? (dollar question mark) variable in shell scripting? [duplicate]
...(This was also
suggested by mike)
#!/bin/bash
cd /dada &> /dev/null
echo rv: $?
cd $(pwd) &> /dev/null
echo rv: $?
See Bash Programming Manual for more details.
sha...
Find a pair of elements from an array whose sum equals a given number
...<int, int>> FindPairsForSum(
const std::vector<int>& data, const int& sum)
{
std::unordered_map<int, size_t> umap;
std::vector<std::pair<int, int>> result;
for (size_t i = 0; i < data.size(); ++i)
{
if (0 < umap.count(sum...