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Return None if Dictionary key is not available
...ldn't work out what I was doing wrong here.
– wobbily_col
Aug 23 '16 at 14:28
@TimPietzcker - can you please explain y...
Get path of executable
...
The boost::dll::program_location function is one of the best cross platform methods of getting the path of the running executable that I know of. The DLL library was added to Boost in version 1.61.0.
The following is my solution. I have tested it ...
*.h or *.hpp for your class definitions
... directly or indirectly.
It can included directly, being protected by the __cplusplus macro:
Which mean that, from a C++ viewpoint, the C-compatible code will be defined as extern "C".
From a C viewpoint, all the C code will be plainly visible, but the C++ code will be hidden (because it won't co...
git diff two files on same branch, same commit
...
vimdiff for the win! Thanks!
– d-_-b
Dec 20 '12 at 2:25
24
...
Getting a random value from a JavaScript array
...u've already got underscore or lodash included in your project you can use _.sample.
// will return one item randomly from the array
_.sample(['January', 'February', 'March']);
If you need to get more than one item randomly, you can pass that as a second argument in underscore:
// will return tw...
Creating a ZIP Archive in Memory Using System.IO.Compression
...her version of zipping without writing any file.
string fileName = "export_" + DateTime.Now.ToString("yyyyMMddhhmmss") + ".xlsx";
byte[] fileBytes = here is your file in bytes
byte[] compressedBytes;
string fileNameZip = "Export_" + DateTime.Now.ToString("yyyyMMddhhmmss") + ".zip";
using (var outS...
New features in java 7
...OutputStream(dest))
{
// code
}
Underscores in numeric literals
int one_million = 1_000_000;
Strings in switch
String s = ...
switch(s) {
case "quux":
processQuux(s);
// fall-through
case "foo":
case "bar":
processFooOrBar(s);
break;
case "baz":
processBaz(s);
...
mongodb: insert if not exists
... This is almost what I want ! How can I not touch the insertion_date field if the object is already present ?
– LeMiz
May 27 '10 at 21:24
28
...
Java Reflection: How to get the name of a variable?
...rNames extends java.lang.Object{
TestLocalVarNames();
Code:
0: aload_0
1: invokespecial #1; //Method java/lang/Object."<init>":()V
4: return
LocalVariableTable:
Start Length Slot Name Signature
0 5 0 this LTestLocalVarNames;
public java.lang...
Git: fatal: Pathspec is in submodule
...module), which triggers the warning.
Try and change its context with:
cd _site
git --git-dir=.git --work-tree=. add .
git --git-dir=.git --work-tree=. commit -m "new files"
Don't forget that, if this works, you would still have to go back to the parent repo, and git add _site, since the subrepo...