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Why is reading lines from stdin much slower in C++ than Python?
...ystem calls, which are typically relatively expensive. However, since the FILE* based stdio and iostreams often have separate implementations and therefore separate buffers, this could lead to a problem if both were used together. For example:
int myvalue1;
cin >> myvalue1;
int myvalue2;
sca...
How do I remove a big file wrongly committed in git [duplicate]
I did a stupid thing. Imagine that I committed a 100MB file. Then I see this and delete this file and commit again. This is a normal procedure to delete a file.
...
Shell Script: Execute a python program from within a shell script
...dd in your script
python path/to/the/python_script.py
Details:
In the file job.sh, put this
#!/bin/sh
python python_script.py
Execute this command to make the script runnable for you : chmod u+x job.sh
Run it : ./job.sh
...
Delete all but the most recent X files in bash
...nvironment with bash, to run a command to delete all but the most recent X files from a directory?
16 Answers
...
How to avoid .pyc files?
Can I run the python interpreter without generating the compiled .pyc files?
10 Answers
...
Windows recursive grep command-line
... variant of regex syntax (/R).
C:\>findstr /?
Searches for strings in files.
FINDSTR [/B] [/E] [/L] [/R] [/S] [/I] [/X] [/V] [/N] [/M] [/O] [/P] [/F:file]
[/C:string] [/G:file] [/D:dir list] [/A:color attributes] [/OFF[LINE]]
strings [[drive:][path]filename[ ...]]
/B ...
What does MissingManifestResourceException mean and how to fix it?
...l I needed to do to fix this problem was to right-click the Resources.resx file in the Solution Explorer and click Run Custom Tool. This re-generates the auto-generated Resources.Designer.cs file.
If the .resx file was added to the project manually, the Custom Tool property of the file must be set ...
Save bitmap to location
...
try (FileOutputStream out = new FileOutputStream(filename)) {
bmp.compress(Bitmap.CompressFormat.PNG, 100, out); // bmp is your Bitmap instance
// PNG is a lossless format, the compression factor (100) is ignored
} catch (...
Which Eclipse files belong under version control?
Which Eclipse files is it appropriate to put under source control, aside from the sources obviously?
8 Answers
...
Have Grunt generate index.html for different setups
...ronment configuration for future tasks.
Below are snippets from my Gruntfile.js.
ENV setup:
env : {
options : {
/* Shared Options Hash */
//globalOption : 'foo'
},
dev: {
NODE_ENV : 'DEVELOPMENT'
},
prod : {
NODE_ENV : 'PRODUCTION'
...